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M22.1

M22.1: Recurrent subluxation of patella

Non-billable headerICD-10-CM

M22.1 is a non-billable header ICD-10-CM code for recurrent subluxation of patella. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Incomplete dislocation of patella

Excludes2 inherited from the categories above M22.1

Not part of this code, but both may be coded when both are present.

Written on M22: Disorder of patella

  • traumatic dislocation of patella (S83.0-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M22.1

3 child codes. Green means billable.

Other codes under M22

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.