ICD-10-CM 2027 diagnosis code

M22.2XPatellofemoral disorders

Not billable — use a more specific code

M22.2X is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About M22.2X

M22.2X is the ICD-10-CM diagnosis code for Patellofemoral disorders. It belongs to category M22 (disorder of patella), block M20-M25 (other joint disorders) and chapter 13 (diseases of the musculoskeletal system and connective tissue). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: M22.2X1 (right knee), M22.2X2 (left knee) and M22.2X9 (unspecified knee).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under M22.2X

Notes that apply from higher levels

Instructions written at a parent level also apply to M22.2X.

› From M22 Disorder of patella

Excludes2

traumatic dislocation of patella (S83.0-)

Broader instructions also apply from M20-M25 Other joint disorders and Chapter 13: Diseases of the musculoskeletal system and connective tissue.

Alphabetic index entries

1 entries

Terms in the official ICD-10-CM index that lead to M22.2X.

Disorder (of) › patellofemoral

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about M22.2X

Is M22.2X billable?: No. M22.2X is a header code. Report one of its more specific subcodes instead.