M12.50 Traumatic arthropathy, unspecified site

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)

• 716.10 Traumatic arthropathy, site unspecified

Diagnosis Index entries for M12.50

• Arthropathy › traumatic

Nearby codes

• M12.472 Intermittent hydrarthrosis, left ankle and foot
• M12.479 Intermittent hydrarthrosis, unspecified ankle and foot
• M12.48 Intermittent hydrarthrosis, other site
• M12.49 Intermittent hydrarthrosis, multiple sites
• M12.5 Traumatic arthropathy
• M12.50 Traumatic arthropathy, unspecified site (this code)
• M12.51 Traumatic arthropathy, shoulder
• M12.511 Traumatic arthropathy, right shoulder
• M12.512 Traumatic arthropathy, left shoulder
• M12.519 Traumatic arthropathy, unspecified shoulder
• M12.52 Traumatic arthropathy, elbow