What is ICD
Disease classification, standardized disease names, facilitates communication, frequently used in clinical records, personally think it is a good thing
https://www.who.int/standards/classifications/classification-of-diseases
History of ICD Usage Through the Ages
Generally updated every ten years, with minor revisions during those ten years (for example, sarcopenia was not included in the early versions of ICD-10, only appearing in the 2019 revision)
Currently using ICD-11
ICD revisions under the auspices of WHO (see https://www.who.int/standards/classifications/classification-of-diseases for details)
| ICD Revision | ICD Coming into effect | ICD Adoption |
|---|---|---|
| 6th Revision | into effect 1948 | adopted 1948 (WHA1.36) |
| 7th Revision | into effect 1 Jan 1958 | adopted May 1956 (WHA9.29) |
| 8th Revision | into effect 1 Jan 1968 | adopted May 1966 (WHA19.44) |
| 9th Revision | into effect 1 Jan 1979 | adopted May 1976 (WHA29.34) |
| 10th Revision | into effect 1 Jan 1993 | adopted May 1990 (WHA43.24) |
| 11th Revision | into effect 1 Jan 2022 | adopted May 2019 (WHA72.15) |
ICD-11
WHO online https://icd.who.int/browse11
ICD-10
WHO online https://icd.who.int/browse10
ICD-9
Unknown website online http://www.icd9cm.chrisendres.com/index.php
ICD-8 and Earlier
Not researched