M12.56 Traumatic arthropathy, knee

Non-billable header with 3 child codes.

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-)

Codes under M12.56

• M12.561 Traumatic arthropathy, right knee
• M12.562 Traumatic arthropathy, left knee
• M12.569 Traumatic arthropathy, unspecified knee

Diagnosis Index entries for M12.56

• Arthropathy › traumatic › knee

Nearby codes

• M12.549 Traumatic arthropathy, unspecified hand
• M12.55 Traumatic arthropathy, hip
• M12.551 Traumatic arthropathy, right hip
• M12.552 Traumatic arthropathy, left hip
• M12.559 Traumatic arthropathy, unspecified hip
• M12.56 Traumatic arthropathy, knee (this code)
• M12.561 Traumatic arthropathy, right knee
• 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