FA33 Internal derangement of knee

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01


Internal derangement of the knee (IDK) is a chronic disorder of the knee due to a torn, ruptured or deranged meniscus of the knee, or a partial or complete cruciate rupture, with or without injury to the capsular ligament, resulting in ongoing or intermittent signs and symptoms such as pain, instability, or abnormal mobility of that knee. If indicated that derangement is due to trauma, code to Injury, poisoning and certain other consequences of external causes, regardless of time past since injury.

exclusions

sections/codes in this section (FA33-FA33)

postcoordination

Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

Laterality  - only one may be selected
Specific anatomy  - multiple selections are allowed
Has manifestation  - multiple selections are allowed
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