M22
Header — not billableDisorder of patella
The ICD-10 code for disorder of patella is M22.
M22 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- traumatic dislocation of patella (S83.0-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under M22
- M22.0Recurrent dislocation of patellanon-billable header
- M22.1Recurrent subluxation of patellanon-billable header
- M22.2Patellofemoral disordersnon-billable header
- M22.3Other derangements of patellanon-billable header
- M22.4Chondromalacia patellaenon-billable header
- M22.8Other disorders of patellanon-billable header
- M22.9Unspecified disorder of patellanon-billable header
Related codes in this category
- M20Acquired deformities of fingers and toesnon-billable header
- M21Other acquired deformities of limbsnon-billable header
- M23Internal derangement of kneenon-billable header
- M24Other specific joint derangementsnon-billable header
- M25Other joint disorder, not elsewhere classifiednon-billable header
- M22Disorder of patellanon-billable header