ICD-11 Reference Guide
- DRAFT
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0 ICD-11 Reference Guide
0.1 Copyright page
0.2 How to use this Reference Guide
0.3 Table of Acronyms and Abbreviations
0.4 Glossary
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1 Part 1 - An Introduction to ICD-11
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1.1International Classification of Diseases (ICD)
1.1.1 Intended uses
1.1.2 Classification
1.1.3 ICD in the context of the WHO Family of International Classifications (WHO-FIC)
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1.1.4 WHO-FIC: Reference Classifications
1.1.4.1 International Classification of Functioning, Disability & Health (ICF)
1.1.4.2 The International Classification of Health Interventions (ICHI)
1.1.4.3 WHO-FIC: Derived classifications
1.1.4.4 Related classifications
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1.1.5 ICD use in health information systems
1.1.5.1 Use of ICD–11 in a digital setting and with web services
1.1.5.2 Use of ICD–11 in an analogue paper-based setting
1.1.5.3 Electronic version
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1.1.6 Links with other Classifications and Terminologies
1.1.6.1 Integrated use with Terminologies
1.1.6.2 Functioning in ICD and joint use with ICF overview
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1.2 Structure and taxonomy of the ICD
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1.2.1 Taxonomy
1.2.1.1 Content model and definition of disease
1.2.2 ICD Chapter structure
1.2.3 Guiding principles for classification of special concepts
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1.2.4 General features of ICD-11
1.2.4.1 Code structure
1.2.4.2 Uniform resource identifiers
1.2.4.3 Block codes
1.2.4.4 Stem codes
1.2.4.5 Extension codes and postcoordination
1.2.4.6 Other general features
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1.2.5 Foundation Component and Tabular lists of ICD–11
1.2.5.1 Precoordination and Postcoordination in ICD-11
1.2.5.2 Multiple parenting
1.2.6 Language independent ICD entities
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1.3 Main uses of the ICD: Mortality
1.3.1 What is coded: Causes of death
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1.4 Main uses of the ICD: Morbidity
1.4.1 What is coded: patient conditions
1.5 Traditional Medicine
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1.6 ICD maintenance
1.6.1 Guiding principles of authoring process
1.6.2 Improving user guidance
1.6.3 Introduction to the ICD–11 Update Process
1.6.4 National Modifications for morbidity coding
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2 Part 2 - Using ICD-11
2.1 Basic coding and reporting guidelines
2.2 Tabular List, Special Tabulation Lists, Qualifiers, and Modifiers
2.3 Index
2.4 Reference Guide
2.5 Browser and coding tool
2.6 Coding step by step – clinical term
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2.7 ICD–11 conventions
2.7.1 Inclusions
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2.7.2 Exclusions
2.7.2.1 'Code also' and 'Use additional code, if desired' instructions
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2.7.3 ‘NEC’ and ‘NOS’
2.7.3.1 ‘NEC’
2.7.3.2 ‘NOS’
2.7.4 ‘Certain’
2.7.5 Residual categories – ‘Other’ and ‘Unspecified’
2.7.6 Use of ‘And’ and ‘Or’
2.7.7 ‘Due to’ and ‘Associated with’
2.7.8 Spelling, parentheses, grammar and other conventions
2.7.9 General features
2.8 Stem codes
2.9 Extension codes
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2.10 Precoordination and postcoordination
2.10.1 Adding detail – postcoordination and cluster coding with multiple stem codes and extension codes
2.10.2 Combining stem codes and extension codes, and how to order these in a complex code cluster
2.10.3 Diagnosis Timing - 'Present on admission' vs. 'Developed after admission'
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2.11 Functioning section
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2.11.1 Functioning assessment
2.11.1.1 WHO DAS 2.0: features and use cases
2.11.1.2 WHO DAS 2.0: representation and coding structure
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2.11.2 Generic functioning entity
2.11.2.1 Functioning entities: features and use cases
2.11.2.2 Functioning entity: representation and coding structure
2.12 Electronic recording and reporting
2.13 Foundation Component and Tabular lists
2.14 Main uses of the ICD: Mortality
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2.15 Mortality statistics
2.15.1 What is tabulated: Underlying cause of death
2.15.2 Data source: The international form of Medical Certificate of Cause of Death (MCCD)
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2.15.3 Routine use and special cases
2.15.3.1 Routine cause of death reporting systems
2.15.3.2 Verbal autopsy
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2.16 Basic concepts
2.16.1 Terminal cause of death
2.16.2 Causal relationship and sequence
2.16.3 Starting point
2.16.4 Duration
2.16.5 First-mentioned sequence
2.16.6 Underlying cause of death (UCOD)
2.16.7 Priority underlying condition
2.16.8 Modification
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2.17 Coding instructions for mortality
2.17.1 Basic coding and multiple cause coding guidelines
2.17.2 Selecting the underlying cause of death
2.17.3 Find the starting point (Steps SP1 to SP8)
2.17.4 Step SP1 – Single cause on certificate
2.17.5 Step SP2 – First condition on the only line used
2.17.6 Step SP3 – First condition on the lowest used line causing all entries above
2.17.7 Step SP4 – Starting point of the first-mentioned sequence
2.17.8 Step SP5 – Terminal cause of death when no sequence
2.17.9 Step SP6 – Obvious cause
2.17.10 Step SP7 – Ill-defined conditions
2.17.11 Step SP8 – Conditions unlikely to cause death
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2.18 Check for modifications of the starting point (Steps M1 to M4)
2.18.1 Step M1 – Special instructions
2.18.2 Step M2 – Specificity
2.18.3 Step M3 – Recheck Steps SP6, M1 and M2
2.18.4 Step M4 - Instructions on medical procedures, main injury, poisoning, and maternal deaths
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2.19 Special instructions on selecting the underlying cause of death
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2.19.1 Special instructions on accepted and rejected sequences (Steps SP3 and SP4)
2.19.1.1 Conflicting durations
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2.19.1.2 Infectious diseases due to other conditions
Cholera and certain infectious diseases due to other conditions
Typhoid and certain infectious disease due to other conditions
HIV due to other conditions
Infectious diseases not listed above due to other conditions
2.19.1.3 Malignant neoplasms due to other conditions
2.19.1.4 Congenital or constitutional haemorrhagic condition due to other conditions
2.19.1.5 Anaphylaxis due to external causes
2.19.1.6 Diabetes due to other conditions
2.19.1.7 Rheumatic fever due to other conditions
2.19.1.8 Hypertension due to other conditions
2.19.1.9 Certain ischaemic heart disease due to other conditions
2.19.1.10 Atherosclerosis due to other conditions
2.19.1.11 Developmental anomalies due to other conditions
2.19.1.12 Unintentional cause of morbidity or mortality due to other conditions
2.19.1.13 Suicide due to other conditions
2.19.1.14 Obstetric conditions due to other conditions
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2.19.2 Special instructions on obvious cause (Step SP6)
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2.19.2.1 Complications of HIV
Infectious diseases and HIV
Malignant neoplasms and HIV
Immune deficiency and HIV
Pneumonia and HIV
Cachexia and HIV
2.19.2.2 Enterocolitis due to Clostridium difficile
2.19.2.3 Sepsis
2.19.2.4 Complications of diabetes
2.19.2.5 Dehydration
2.19.2.6 Dementia
2.19.2.7 Disorders of intellectual development
2.19.2.8 Heart failure and unspecified heart disease
2.19.2.9 Embolism
2.19.2.10 Oesophageal varices
2.19.2.11 Pneumonia
2.19.2.12 Pulmonary oedema
2.19.2.13 Nephritic syndrome
2.19.2.14 Pyelonephritis
2.19.2.15 Acute renal failure
2.19.2.16 Primary atelectasis of newborn
2.19.2.17 Premature rupture of membranes and oligohydramnios
2.19.2.18 Haemorrhage
2.19.2.19 Aspiration and inhalation
2.19.2.20 Surgery and other invasive medical procedures
2.19.2.21 Common secondary conditions
2.19.2.22 Secondary peritonitis
2.19.2.23 Neutropenia
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2.19.3 Special instructions on linkages and other provisions (Step M1)
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2.19.3.1 Special instructions on Chapter 01 Certain infectious or parasitic diseases
**Human immunodeficiency virus disease**
2.19.3.2 Special instructions on Chapter 02 Neoplasms
2.19.3.3 Special instructions on Chapter 03 Diseases of the blood or blood-forming organs
2.19.3.4 Special instructions on Chapter 04 Diseases of the immune system
2.19.3.5 Special instructions on Chapter 05 Endocrine, nutritional or metabolic diseases
2.19.3.6 Special instructions on Chapter 06 Mental, behavioural or neurodevelopmental disorders
2.19.3.7 Special instructions on Chapter 07 Sleep-wake disorders
2.19.3.8 Special instructions on Chapter 08 Diseases of the nervous system
2.19.3.9 Special instructions on Chapter 09 Diseases of the visual system
2.19.3.10 Special instructions on Chapter 10 Diseases of the ear or mastoid process
2.19.3.11 Special instructions on Chapter 11 Diseases of the circulatory system
2.19.3.12 Special instructions on Chapter 12 Diseases of the respiratory system
2.19.3.13 Special instructions on Chapter 13 Diseases of the digestive system
2.19.3.14 Special instructions on Chapter 14 Diseases of the skin
2.19.3.15 Special instructions on Chapter 15 Diseases of the musculoskeletal system or connective tissue
2.19.3.16 Special instructions on Chapter 16 Diseases of the genitourinary system
2.19.3.17 Special instructions on Chapter 17 Conditions related to sexual health
2.19.3.18 Special instructions on Chapter 18 Pregnancy, childbirth or the puerperium
2.19.3.19 Special instructions on Chapter 19 Certain conditions originating in the perinatal period
2.19.3.20 Special instructions on Chapter 20 Developmental anomalies
2.19.3.21 Special instructions on Chapter 21 Symptoms, signs or clinical findings, not elsewhere classified
2.19.3.22 Special instructions on Chapter 22 Injury, poisoning or certain other consequences of external causes
2.19.3.23 Special instructions on Chapter 23 External causes of morbidity or mortality
2.19.3.24 Codes not to be used for underlying cause of death
2.19.3.25 Codes not to be used if the underlying cause is known or other specific conditions apply
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2.19.4 Special instructions on surgery and other medical procedures (Step M4)
2.19.4.1 Reason for the surgery or procedure stated
2.19.4.2 Reason for the surgery or procedure not stated, complication reported
2.19.4.3 Reason for the surgery or procedure not stated, no complication reported
2.19.4.4 Medical devices associated with adverse incidents due to external causes
2.19.5 Special instructions on main injury in deaths from external causes (Step M4)
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2.19.6 Special instructions on poisoning by drugs, medications and biological substances (Step M4)
2.19.6.1 The drug most likely to have caused death is specified
2.19.6.2 The drug most likely to have caused death is not specified
2.19.6.3 Identification of the drug most likely to have caused death
2.19.7 Special instructions on maternal mortality (Step M4)
2.20 Mortality Rules - Knowledgebase
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2.21 Coding instructions for mortality: multiple cause coding and other specific instructions
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2.21.1 Uncertain diagnosis
2.21.1.1 Either … or
2.21.1.2 One condition, either one site or another
2.21.1.3 One site or system, either one condition or another condition
2.21.1.4 Either one condition or another, different anatomical systems
2.21.1.5 Either disease or injury
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2.21.2 Effect of connecting terms
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2.21.2.1 Connecting terms implying a causal relationship
‘Due to’ written or implied by a similar term
‘Resulting in’ written or implied by a similar term
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2.21.2.2 Connecting terms not implying a causal relationship
‘And’ written or implied by a similar term first or last on a line
‘And’ written or implied by a similar term but not first or last on a line
Diagnostic terms that do not stop at the end of the line
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2.21.3 Duration of conditions
2.21.3.1 Single duration stated for multiple conditions
2.21.3.2 Modifying temporality of conditions by stated duration
2.21.4 'Code also' instructions in mortality use case
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2.21.5 Malignant neoplasms
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2.21.5.1 Behaviour: malignant, in situ, benign, uncertain or unknown behaviour
The term itself indicates behaviour
Other information on the certificate indicates behaviour
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2.21.5.2 **Malignant neoplasms: primary or secondary?**
**Common sites of metastases**
**Malignant neoplasm reported as primary**
**Other indication of primary malignant neoplasm**
**Malignant neoplasm reported as secondary**
**Other indication of secondary malignant neoplasm**
2.21.5.3 **More than one primary malignant neoplasm**
2.21.5.4 **Site not clearly indicated**
2.21.5.5 **Primary site unknown**
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2.21.5.6 **‘Metastatic’ cancer**
**Malignant neoplasm ‘metastatic from’ a specified site**
**Malignant neoplasm ‘metastatic to’ a specified site**
**Malignant neoplasm metastatic of site A to site B**
**‘Metastatic’ neoplasm of a specific histopathology**
**‘Metastatic’ malignant neoplasm on the list of common sites of metastases**
**‘Metastatic’ malignant neoplasm not on the list of common sites of metastases**
**‘Metastatic’ malignant neoplasm, some on the list of common sites of metastases and some not**
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2.21.6 Sequelae
2.21.6.1 Conditions considered to be sequelae
2.21.6.2 Sequelae of tuberculosis
2.21.6.3 Sequelae of trachoma
2.21.6.4 Sequelae of viral encephalitis, diphtheria or other specified infectious diseases
2.21.6.5 Sequelae of malnutrition or certain specified nutritional deficiencies
2.21.6.6 Late effects of Chapter 22 and Chapter 23
2.21.6.7 Sequelae of leprosy
2.21.6.8 Sequelae of poliomyelitis
2.21.7 Consistency between sex of patient and diagnosis
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2.21.8 Specific instructions on other ICD categories
2.21.8.1 Acute or chronic rheumatic heart diseases
2.21.8.2 Obstetric death of unspecified cause, Obstetric deaths 42 days–1 year after delivery, sequelae of obstetric causes
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2.21.8.3 Deaths due to Certain conditions originating in the perinatal period
Fetus or newborn affected by maternal factors or by complications of pregnancy, labour or delivery
2.21.8.4 Special instructions on fetal deaths
2.21.8.5 Developmental anomalies
2.21.8.6 Multiple injuries in the same body region and Injuries involving multiple body regions
2.21.8.7 Complications of surgical and medical care
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2.21.8.8 Intent of external causes
Undetermined intent
Intent not recorded or stated as unknown
Default external cause code for an injury, when there is no additional information
2.21.8.9 Coding of transport injury events
2.21.8.10 Factors influencing health status or contact with health services
2.21.8.11 Infectious agents reported alone on a death certificate
2.21.8.12 Coding of sudden unexplained deaths
2.21.8.13 Special instructions on Dementia due to Alzheimer disease with early or late onset
2.21.8.14 Pathological fracture
2.21.8.15 Conditions that may have either a traumatic origin or a nontraumatic origin
2.22 Mortality digital end to end solution (forms, tools and training modules)
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2.23 Main uses of the ICD: Morbidity
2.23.1 ICD use in clinical care
2.23.2 ICD use for epidemiological purposes
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2.23.3 ICD use in quality and patient safety
2.23.3.1 The quality and safety use case for ICD–11
2.23.3.2 Reporting on indicators of quality of care and patient safety
2.23.3.3 Functionality:
2.23.3.4 Additional information:
2.23.3.5 Recommendations for use and interpretation of coded data
2.23.3.6 ICD use for research purposes
2.23.3.7 ICD use in primary care
2.23.3.8 ICD use in Casemix groupings
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2.23.4 What is coded: Patient conditions
2.23.4.1 Main condition
2.23.4.2 Multiple conditions contributing to need for admission
2.23.4.3 Other conditions
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2.23.5 Health care practitioner documentation guidelines for morbidity coding
2.23.5.1 Documentation guidelines involving the term 'Multiple'-For Single condition reporting
2.23.5.2 Specificity and detail
2.23.5.3 Unconfirmed diagnoses
2.23.5.4 Documentation of a ruled out condition
2.23.5.5 Contact with health services for reasons other than illness
2.23.5.6 Conditions due to external causes
2.23.5.7 Documentation of sequelae
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2.23.6 Coder guidelines for selecting ‘main condition’ and ‘other conditions’ for coding purposes
2.23.6.1 MB1 - Several conditions recorded as ‘main condition’
2.23.6.2 MB2 - Condition recorded as ‘main condition’ is presenting symptom of diagnosed, treated condition
2.23.6.3 MB3 - Signs and symptoms recorded as 'main condition' with alternative conditions recorded as the cause
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2.23.7 Coding using postcoordination in morbidity
2.23.7.1 Coder rule for use of extension codes
2.23.8 Coding from health care practitioner documentation of 'causal relationships'
2.23.9 Coding of suspected conditions or symptoms, abnormal findings and non-illness situations
2.23.10 Coding using combination categories
2.23.11 Coding using external causes of morbidity
2.23.12 Coding of acute and chronic conditions recorded as main condition
2.23.13 Coding of injuries or harm arising from surgical or medical care
2.23.14 Coding of adverse events and circumstances in health care that do not cause actual injury or harm
2.23.15 Coding of chronic postprocedural conditions
2.23.16 Coding 'History of' and 'Family history of'
2.23.17 Coding a "ruled out" condition
2.23.18 Coding of conditions documented as sequela (late effect)
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2.23.19 Standards and coding instructions for injury events
2.23.19.1 Descriptions related to transport injury events
2.23.19.2 Classification and coding instructions for unintentional injury caused by transport
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2.23.20 Conceptual model for quality and patient safety
2.23.20.1 Overview of code-set in ICD–11 for quality and patient safety
2.23.20.2 Causation in the context of quality and safety
2.23.20.3 Chronic postprocedural conditions
2.23.20.4 Adverse events and circumstances in health care that do not cause actual injury or harm
2.23.20.5 Recommendations for data capture and organisation
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2.23.21 Chapter-specific notes
2.23.21.1 Chapter 1: Infectious and parasitic diseases
2.23.21.2 Chapter 2: Neoplasms
2.23.21.3 Chapter 3: Diseases of the blood or blood-forming organs
2.23.21.4 Chapter 5: Endocrine, nutritional or metabolic diseases
2.23.21.5 Chapter 6: Mental, behavioural or neurodevelopmental disorders
2.23.21.6 Chapter 8: Diseases of the nervous system
2.23.21.7 Chapter 9: Diseases of the visual system
2.23.21.8 Chapter 10: Diseases of the ear or mastoid process
2.23.21.9 Chapter 11: Diseases of the circulatory system
2.23.21.10 Chapter 15: Diseases of the musculoskeletal system or connective tissue
2.23.21.11 Chapter 18: Pregnancy, childbirth or the puerperium
2.23.21.12 Chapter 21: Symptoms, signs or clinical findings, not elsewhere classified
2.23.21.13 Chapter 22: Injury, poisoning or certain other consequences of external causes
2.23.21.14 Chapter 23: External causes of morbidity or mortality
2.23.21.15 Chapter 24: Factors influencing health status or contact with health services
2.23.22 Traditional Medicine Conditions - Module 1 (TM1)
2.23.23 Use in Traditional Medicine
2.23.24 Coding instructions for Traditional Medicine conditions - Module 1 (TM1)
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2.24 General statistical recommendations
2.24.1 Data quality
2.24.2 Specificity versus ill-defined codes
2.24.3 Problems of a small population
2.24.4 ‘Empty cells’ and cells with low frequencies
2.24.5 Precautions needed when tabulation lists include subtotals
2.24.6 Ethical Aspects
2.24.7 Avoidance of Potential Harm
2.24.8 Security of Privacy – Confidentiality
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2.25 Recommendations in relation to statistical tables for international comparison
2.25.1 The recommended Special tabulation lists
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2.25.2 International morbidity reporting
2.25.2.1 Minimum data set and markup for postcoordination
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2.25.3 Presentation of statistical tables
2.25.3.1 Tabulation of causes of death
2.25.3.2 Injury mortality
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2.25.4 Standards and reporting requirements for mortality in perinatal and neonatal periods
2.25.4.1 Terms used in perinatal and neonatal mortality
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2.25.4.2 Definitions in perinatal and neonatal mortality
Fetal death, spontaneous abortion, stillbirth, live birth, neonatal death
Artificial termination of pregnancy
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2.25.4.3 Other terminologies used in recording and presentation of perinatal or neonatal mortality
Fetal death (i.e. regardless of gestational age; lower limit, if any, should be stated)
Stillbirth (i.e. 22 or more completed weeks)
Period of gestation
Birthweight
Neonatal death
Total birth
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2.25.4.4 Certification of stillbirth and live births in the neonatal period
The international form of medical certificate of cause of death and additional details
Level of details for recording
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2.25.4.5 Reporting criteria for fetal death, stillbirth and live birth
Criteria for international reporting
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2.25.4.6 Statistical presentation of perinatal, neonatal, infant or under-five mortality
Groupings of gestational age groups for fetal death under 22 weeks, stillbirth and neonatal mortality statistics
Groupings of birthweight for fetal death under 22 weeks, stillbirth and neonatal mortality statistics
Groupings by chronological age in neonatal mortality statistics
2.25.4.7 Under-five mortality
2.25.4.8 Infant mortality
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2.25.5 Standards and reporting requirements related for maternal mortality
2.25.5.1 Maternal death
2.25.5.2 Late Maternal death
2.25.5.3 Comprehensive maternal death
2.25.5.4 Direct and indirect obstetric deaths
2.25.5.5 Death occurring during pregnancy, childbirth and puerperium
2.25.5.6 Recording requirements of maternal mortality
2.25.5.7 International reporting of maternal mortality
2.25.5.8 Numerator, denominator, and ratios of published maternal mortality
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3 Part 3 - New in ICD-11
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3.1 ICD-11 new conventions and terminology
3.1.1 Short Description
3.1.2 Additional Information
3.1.3 Code Structure
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3.2 Chapter Structure of ICD-11
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3.2.1 Chapter 01 – Certain infectious or parasitic diseases
3.2.1.1 Chapter 01 – Structure of chapter 01
3.2.1.2 Chapter 01 – Rationale for chapter 01
3.2.1.3 Antimicrobial resistance
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3.2.2 Chapter 02 – Neoplasms
3.2.2.1 Chapter 02 – Structure of chapter 02
3.2.2.2 Chapter 02 - Rationale for Chapter 02
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3.2.3 Chapter 03 – Diseases of the blood or blood-forming organs
3.2.3.1 Chapter 03 – Structure of chapter 03
3.2.3.2 Chapter 03 – Rationale for chapter 03
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3.2.4 Chapter 04 – Diseases of the immune system
3.2.4.1 Chapter 04 – Structure of chapter 04
3.2.4.2 Chapter 04 – Rationale for chapter 04
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3.2.5 Chapter 05 – Endocrine, nutritional or metabolic diseases
3.2.5.1 Chapter 05 – Structure of Chapter 05
3.2.5.2 Chapter 05 – Rationale for Chapter 05
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3.2.6 Chapter 06 – Mental, behavioural or neurodevelopmental disorders
3.2.6.1 Chapter 06 – Structure of Chapter 06
3.2.6.2 Chapter 06 – Rationale for Chapter 06
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3.2.7 Chapter 07 – Sleep–wake disorders
3.2.7.1 Chapter 07 – Structure of Chapter 07
3.2.7.2 Chapter 07 – Rationale for Chapter 07
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3.2.8 Chapter 08 – Diseases of the nervous system
3.2.8.1 Chapter 08 – Structure of Chapter 08
3.2.8.2 Chapter 08 – Rationale for Chapter 08
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3.2.9 Chapter 09 – Diseases of the visual system
3.2.9.1 Chapter 09 – Structure of Chapter 09
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3.2.10 Chapter 10 - Diseases of the ear or mastoid process
3.2.10.1 Chapter 10 – Structure of Chapter 10
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3.2.11 Chapter 11 – Diseases of the circulatory system
3.2.11.1 Chapter 11 – Structure of Chapter 11
3.2.11.2 Chapter 11 – Rationale for Chapter 11
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3.2.12 Chapter 12 – Diseases of the respiratory system
3.2.12.1 Chapter 12 – Structure of Chapter 12
3.2.12.2 Chapter 12 – Rationale for Chapter 12
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3.2.13 Chapter 13 – Diseases of the digestive system
3.2.13.1 Chapter 13 – Structure of Chapter 13
3.2.13.2 Chapter 13 – Rationale for Chapter 13
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3.2.14 Chapter 14 – Diseases of the skin
3.2.14.1 Chapter 14 – Structure of Chapter 14
3.2.14.2 Chapter 14 – Rationale for Chapter 14
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3.2.15 Chapter 15 – Diseases of the musculoskeletal system or connective tissue
3.2.15.1 Chapter 15 – Structure of Chapter 15
3.2.15.2 Chapter 15 – Rationale for Chapter 15
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3.2.16 Chapter 16 – Diseases of the genitourinary system
3.2.16.1 Chapter 16 – Structure of Chapter 16
3.2.16.2 Chapter 16 – Rationale for chapter 16
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3.2.17 Chapter 17 – Conditions related to sexual health
3.2.17.1 Chapter 17 – Structure of Chapter 17
3.2.17.2 Chapter 17 – Rationale for Chapter 17
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3.2.18 Chapter 18 – Pregnancy, childbirth or the puerperium
3.2.18.1 Chapter 18 – Structure of Chapter 18
3.2.18.2 Chapter 18 – Rationale for Chapter 18
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3.2.19 Chapter 19 – Certain conditions originating in the perinatal period
3.2.19.1 Chapter 19 – Structure of Chapter 19
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3.2.20 Chapter 20 – Developmental anomalies
3.2.20.1 Chapter 20 – Structure of Chapter 20
3.2.20.2 Chapter 20 – Rationale for Chapter 20
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3.2.21 Chapter 21 – Symptoms, signs or clinical findings, not elsewhere classified
3.2.21.1 Chapter 21 – Structure of Chapter 21
3.2.21.2 Chapter 21 – Rationale for Chapter 21
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3.2.22 Chapter 22 – Injury, poisoning or certain other consequences of external causes
3.2.22.1 Chapter 22 – Structure of Chapter 22
3.2.22.2 Chapter 22 – Rationale for Chapter 22
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3.2.23 Chapter 23 – External causes of morbidity or mortality
3.2.23.1 Chapter 23 – Structure of Chapter 23
3.2.23.2 Chapter 23 – Rationale for Chapter 23
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3.2.24 Chapter 24 – Factors influencing health status or contact with health services
3.2.24.1 Chapter 24 – Structure of Chapter 24
3.2.24.2 Chapter 24 – Rationale for Chapter 24
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3.2.25 Chapter 25 – Codes for special purposes
3.2.25.1 Chapter 25 – Structure of Chapter 25
3.2.26 Chapter 26 - Supplementary Chapter Traditional Medicine Conditions - Module 1
3.2.27 Section V – Supplementary section for functioning assessment
3.2.28 Chapter X - Extension Codes
3.3 Multiple Parenting
3.4 The Content Model
3.5 Language independent ICD entities
3.6 Innovation to mortality coding in ICD-11
3.7 Innovation to morbidity coding in ICD-11
3.8 Functioning section
3.9 General features of ICD–11
3.10 Traditional Medicine conditions - Module 1 (TM1)
3.11 Preparations for the Eleventh Revision
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3.12 Annex A: ICD-11 Updating and Maintenance
3.12.1 Background
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3.12.2 Updating Cycle
3.12.2.1 Types of proposals for ICD-11-MMS maintenance
3.12.3 Proposal completeness
3.12.4 Proposal Timelines
3.12.5 Proposal Workflow
3.12.6 Changes that cannot be done during the normal updating process
3.12.7 Applicability and Intellectual Property
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3.13 Annex B: History of the development of the ICD
3.13.1 Early history
3.13.2 Adoption of the International List of Causes of Death
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3.13.3 The Fifth Decennial Revision Conference
3.13.3.1 International Lists of Diseases
3.13.4 Previous classifications of diseases for morbidity statistics
3.13.5 United States Committee on Joint Causes of Death
3.13.6 Sixth Revision of the International Lists
3.13.7 The Seventh and Eighth Revisions
3.13.8 The Ninth Revision
3.13.9 The Tenth Revision
3.13.10 The WHO Family of International Classifications
3.13.11 Updating of ICD between revisions
3.13.12 Major Steps in the ICD-11 Revision
3.13.13 Preparations for the Eleventh Revision
3.13.14 References for history of ICD
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3.14 Annex C: Annexes for Mortality Coding
3.14.1 International form of medical certificate of cause of death
3.14.2 Quick reference guide for the International form of medical certificate of cause of death (MCCD flyer)
3.14.3 Suggested additional details of perinatal deaths
3.14.4 Workflow diagram of steps SP1 to SP8, and to Steps M1 to M4 for mortality coding
3.14.5 Priority ranking of Nature-of-Injury codes
3.14.6 List of ill-defined conditions
3.14.7 List of conditions that can cause HIV disease
3.14.8 List of conditions that can cause diabetes mellitus
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3.14.9 List of conditions to be considered obvious consequences of surgery and other invasive medical procedures
3.14.9.1 List of conditions to be considered direct consequences of surgery
3.14.9.2 List of conditions to be considered direct consequences of other invasive medical procedures
3.14.10 List of conditions unlikely to cause death
3.14.11 List of categories limited to, or more likely to occur in, female persons
3.14.12 List of categories limited to, or more likely to occur in, male persons
3.14.13 Collection of instructions with coding examples related maternal mortality
3.14.14 Target list of causes of death for verbal autopsy
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3.15 Annex D: Differences between ICD-10 and ICD-11
3.15.1 Chapter 01 – Differences between ICD–10 and ICD–11 in Chapter 01
3.15.2 Differences between ICD–10 and ICD–11 in Chapter 02
3.15.3 Differences between ICD–10 and ICD–11 in Chapter 03
3.15.4 Differences between ICD–10 and ICD–11 in Chapter 04
3.15.5 Differences between ICD–10 and ICD–11 in Chapter 05
3.15.6 Differences between ICD–10 and ICD–11 in Chapter 06
3.15.7 Chapter 07 is a new addition to ICD–11 and was not found in past editions
3.15.8 Differences between ICD–10 and ICD–11 in Chapter 08
3.15.9 Differences between ICD–10 and ICD–11 in Chapter 09
3.15.10 Differences between ICD–10 and ICD–11 in Chapter 10
3.15.11 Differences between ICD–10 and ICD–11 in Chapter 11
3.15.12 Differences between ICD–10 and ICD–11 in Chapter 12
3.15.13 Differences between ICD–10 and ICD–11 in Chapter 13
3.15.14 Differences between ICD–10 and ICD–11 in Chapter 14
3.15.15 Differences between ICD–10 and ICD–11 in Chapter 15
3.15.16 Differences between ICD–10 and ICD–11 in Chapter 16
3.15.17 Chapter 17 is a new addition to ICD–11 and was not found in past editions
3.15.18 Differences between ICD–10 and ICD–11 in Chapter 18
3.15.19 Differences between ICD–10 and ICD–11 in Chapter 19
3.15.20 Differences between ICD–10 and ICD–11 in Chapter 20
3.15.21 Differences between ICD–10 and ICD–11 in Chapter 21
3.15.22 Differences between ICD–10 and ICD–11 in Chapter 22
3.15.23 Differences between ICD–10 and ICD–11 in Chapter 23
3.15.24 Differences between ICD–10 and ICD–11 in Chapter 24
3.15.25 Differences between ICD–10 and ICD–11 in Chapter 25
3.16 Annex E: Referred Value Sets
ICD-11
International Classification of Diseases for
Mortality and Morbidity Statistics
Eleventh Revision
Reference Guide
- DRAFT
15-03-2026 06:46 UTC
