M93.27
Osteochondritis dissecans of ankle and joints of foot
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
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
Alongside this code 9 same parent — M93.2
M93.20 Osteochondritis dissecans of unspecified site M93.21 Osteochondritis dissecans of shoulder category M93.22 Osteochondritis dissecans of elbow category M93.23 Osteochondritis dissecans of wrist category M93.24 Osteochondritis dissecans of joints of hand category M93.25 Osteochondritis dissecans of hip category M93.26 Osteochondritis dissecans knee category M93.28 Osteochondritis dissecans other site M93.29 Osteochondritis dissecans multiple sites
Subordinate codes 3
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.