M12.579 Traumatic arthropathy, unspecified ankle and foot

Billable ICD-10-CM code, FY2026.

Applies from M12 Other and unspecified arthropathy

Excludes1 (never code together)

• arthrosis (M15-M19)
• cricoarytenoid arthropathy (J38.7)

Applies from M12.5 Traumatic arthropathy

Excludes1 (never code together)

• current injury-see Alphabetic Index
• post-traumatic osteoarthritis of first carpometacarpal joint (M18.2-M18.3)
• post-traumatic osteoarthritis of hip (M16.4-M16.5)
• post-traumatic osteoarthritis of knee (M17.2-M17.3)
• post-traumatic osteoarthritis NOS (M19.1-)
• post-traumatic osteoarthritis of other single joints (M19.1-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 716.17 Traumatic arthropathy, ankle and foot (approximate)

Nearby codes

• M12.562 Traumatic arthropathy, left knee
• M12.569 Traumatic arthropathy, unspecified knee
• M12.57 Traumatic arthropathy, ankle and foot
• M12.571 Traumatic arthropathy, right ankle and foot
• M12.572 Traumatic arthropathy, left ankle and foot
• M12.579 Traumatic arthropathy, unspecified ankle and foot (this code)
• M12.58 Traumatic arthropathy, other specified site
• M12.59 Traumatic arthropathy, multiple sites
• M12.8 Other specific arthropathies, not elsewhere classified
• M12.80 Other specific arthropathies, not elsewhere classified, unspecified site
• M12.81 Other specific arthropathies, not elsewhere classified, shoulder