M93.279 Osteochondritis dissecans, unspecified ankle and joints of foot

Billable ICD-10-CM code, FY2026.

Applies from M93 Other osteochondropathies

Excludes2 (not included here)

• osteochondrosis of spine (M42.-)

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 732.7 Osteochondritis dissecans (approximate)

Code annotations containing back-references to M93.279

Back-references to M93.2

• Type 1 Excludes: M23 Internal derangement of knee ("osteochondritis dissecans (M93.2)")
• Type 1 Excludes: S92.14 Dome fracture of talus ("osteochondritis dissecans (M93.2)")

Back-references to M93

• Type 1 Excludes: M87 Osteonecrosis ("osteochondropathies (M90-M93)")

Nearby codes

• M93.262 Osteochondritis dissecans, left knee
• M93.269 Osteochondritis dissecans, unspecified knee
• M93.27 Osteochondritis dissecans of ankle and joints of foot
• M93.271 Osteochondritis dissecans, right ankle and joints of right foot
• M93.272 Osteochondritis dissecans, left ankle and joints of left foot
• M93.279 Osteochondritis dissecans, unspecified ankle and joints of foot (this code)
• M93.28 Osteochondritis dissecans other site
• M93.29 Osteochondritis dissecans multiple sites
• M93.8 Other specified osteochondropathies
• M93.80 Other specified osteochondropathies of unspecified site
• M93.81 Other specified osteochondropathies of shoulder