International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision

Yes, its coming. In June 2018 the WHO approved the first implementation version for use starting January of 2022. The current version is dated 2024-01 (January 2024). The United States has begun evaluating ICD-11 for use and could adopt the new code set for some uses as early as 2023.

A brief history of ICD-10 & ICD-10-CM
Creating ICD-11
Differences between ICD-10 and ICD-11
Extension codes
Cluster coding


The information on this page is a compilation of an excellent presentation on ICD-11 in 2018 by Donna Pickett, MPH, RHIA of the US Centers for Disease Control and Prevention, the ICD-11 Reference Guide, and the staff at innoviHealth/Find-A-Code.

ICD-11 MMS Chapters  v 2024-01

01 Certain infectious or parasitic diseases  (1A00-1H0Z)

02 Neoplasms  (2A00-2F9Z)

03 Diseases of the blood or blood-forming organs  (3A00-3C0Z)

04 Diseases of the immune system  (4A00-4B4Z)

05 Endocrine, nutritional or metabolic diseases  (5A00-5D46)

06 Mental, behavioural or neurodevelopmental disorders  (6A00-6E8Z)

07 Sleep-wake disorders  (7A00-7B2Z)

08 Diseases of the nervous system  (8A00-8E7Z)

09 Diseases of the visual system  (9A00-9E1Z)

10 Diseases of the ear or mastoid process  (AA00-AC0Z)

11 Diseases of the circulatory system  (BA00-BE2Z)

12 Diseases of the respiratory system  (CA00-CB7Z)

13 Diseases of the digestive system  (DA00-DE2Z)

14 Diseases of the skin  (EA00-EM0Z)

15 Diseases of the musculoskeletal system or connective tissue  (FA00-FC0Z)

16 Diseases of the genitourinary system  (GA00-GC8Z)

17 Conditions related to sexual health  (HA00-HA8Z)

18 Pregnancy, childbirth or the puerperium  (JA00-JB6Z)

19 Certain conditions originating in the perinatal period  (KA00-KD5Z)

20 Developmental anomalies  (LA00-LD9Z)

21 Symptoms, signs or clinical findings, not elsewhere classified  (MA00-MH2Y)

22 Injury, poisoning or certain other consequences of external causes  (NA00-NF2Z)

23 External causes of morbidity or mortality  (PA00-PL2Z)

24 Factors influencing health status or contact with health services  (QA00-QF4Z)

25 Codes for special purposes  (RA00-RA26)

26 Supplementary Chapter Traditional Medicine Conditions  (SA00-SJ1Z)

V Supplementary section for functioning assessment  (VD00-VW8Z)

X Extension Codes  (XA0060-XY9U)

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