M12.80 Other specific arthropathies, not elsewhere classified, 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 M12.8 Other specific arthropathies, not elsewhere classified

Applicable to

• Transient arthropathy

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 716.40 Transient arthropathy, site unspecified (approximate)
• 716.80 Other specified arthropathy, site unspecified (approximate)

Diagnosis Index entries for M12.80

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › syphilitic (late) › congenital
• Arthropathy › in (due to) › infective endocarditis
• Arthropathy › in (due to) › syphilis (late) › congenital
• Arthropathy › in (due to) › viral hepatitis (postinfectious) NEC
• Arthropathy › postinfectious NEC
• Arthropathy › postinfectious NEC › in (due to) › enteritis due to Yersinia enterocolitica
• Arthropathy › postinfectious NEC › in (due to) › viral hepatitis NEC
• Arthropathy › specified form NEC
• Clutton's joints
• Hydrarthrosis › syphilitic (late) › congenital

Nearby codes

• M12.572 Traumatic arthropathy, left ankle and foot
• M12.579 Traumatic arthropathy, unspecified ankle and foot
• 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 (this code)
• M12.81 Other specific arthropathies, not elsewhere classified, shoulder
• M12.811 Other specific arthropathies, not elsewhere classified, right shoulder
• M12.812 Other specific arthropathies, not elsewhere classified, left shoulder
• M12.819 Other specific arthropathies, not elsewhere classified, unspecified shoulder
• M12.82 Other specific arthropathies, not elsewhere classified, elbow