M94.2
Chondromalacia
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 11 never code together
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 1
M00-M99chapter
Notes
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here 1
- Softening
- cartilage M94.2
Alongside this code 5 same parent — M94
Subordinate codes 10
M94.20 Chondromalacia, unspecified site M94.21 Chondromalacia, shoulder M94.22 Chondromalacia, elbow M94.23 Chondromalacia, wrist M94.24 Chondromalacia, joints of hand M94.25 Chondromalacia, hip M94.26 Chondromalacia, knee M94.27 Chondromalacia, ankle and joints of foot M94.28 Chondromalacia, other site M94.29 Chondromalacia, multiple sites
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.