ICD-10-CM category
M12 Other specific arthropathies
M12 is a category, not a billable code. Report one of the 169 complete codes below.
M12.0…
24 codes
- M12.00Chronic postrheumatic arthropathy [Jaccoud], unspecified site
- M12.011Chronic postrheumatic arthropathy [Jaccoud], right shoulder
- M12.012Chronic postrheumatic arthropathy [Jaccoud], left shoulder
- M12.019Chronic postrheumatic arthropathy [Jaccoud], unspecified shoulder
- M12.021Chronic postrheumatic arthropathy [Jaccoud], right elbow
- M12.022Chronic postrheumatic arthropathy [Jaccoud], left elbow
- M12.029Chronic postrheumatic arthropathy [Jaccoud], unspecified elbow
- M12.031Chronic postrheumatic arthropathy [Jaccoud], right wrist
- M12.032Chronic postrheumatic arthropathy [Jaccoud], left wrist
- M12.039Chronic postrheumatic arthropathy [Jaccoud], unspecified wrist
- M12.041Chronic postrheumatic arthropathy [Jaccoud], right hand
- M12.042Chronic postrheumatic arthropathy [Jaccoud], left hand
- M12.049Chronic postrheumatic arthropathy [Jaccoud], unspecified hand
- M12.051Chronic postrheumatic arthropathy [Jaccoud], right hip
- M12.052Chronic postrheumatic arthropathy [Jaccoud], left hip
- M12.059Chronic postrheumatic arthropathy [Jaccoud], unspecified hip
- M12.061Chronic postrheumatic arthropathy [Jaccoud], right knee
- M12.062Chronic postrheumatic arthropathy [Jaccoud], left knee
- M12.069Chronic postrheumatic arthropathy [Jaccoud], unspecified knee
- M12.071Chronic postrheumatic arthropathy [Jaccoud], right ankle and foot
- M12.072Chronic postrheumatic arthropathy [Jaccoud], left ankle and foot
- M12.079Chronic postrheumatic arthropathy [Jaccoud], unspecified ankle and foot
- M12.08Chronic postrheumatic arthropathy [Jaccoud], other specified site
- M12.09Chronic postrheumatic arthropathy [Jaccoud], multiple sites
M12.1…
24 codes
- M12.10Kaschin-Beck disease, unspecified site
- M12.111Kaschin-Beck disease, right shoulder
- M12.112Kaschin-Beck disease, left shoulder
- M12.119Kaschin-Beck disease, unspecified shoulder
- M12.121Kaschin-Beck disease, right elbow
- M12.122Kaschin-Beck disease, left elbow
- M12.129Kaschin-Beck disease, unspecified elbow
- M12.131Kaschin-Beck disease, right wrist
- M12.132Kaschin-Beck disease, left wrist
- M12.139Kaschin-Beck disease, unspecified wrist
- M12.141Kaschin-Beck disease, right hand
- M12.142Kaschin-Beck disease, left hand
- M12.149Kaschin-Beck disease, unspecified hand
- M12.151Kaschin-Beck disease, right hip
- M12.152Kaschin-Beck disease, left hip
- M12.159Kaschin-Beck disease, unspecified hip
- M12.161Kaschin-Beck disease, right knee
- M12.162Kaschin-Beck disease, left knee
- M12.169Kaschin-Beck disease, unspecified knee
- M12.171Kaschin-Beck disease, right ankle and foot
- M12.172Kaschin-Beck disease, left ankle and foot
- M12.179Kaschin-Beck disease, unspecified ankle and foot
- M12.18Kaschin-Beck disease, vertebrae
- M12.19Kaschin-Beck disease, multiple sites
M12.2…
24 codes
- M12.20Villonodular synovitis (pigmented), unspecified site
- M12.211Villonodular synovitis (pigmented), right shoulder
- M12.212Villonodular synovitis (pigmented), left shoulder
- M12.219Villonodular synovitis (pigmented), unspecified shoulder
- M12.221Villonodular synovitis (pigmented), right elbow
- M12.222Villonodular synovitis (pigmented), left elbow
- M12.229Villonodular synovitis (pigmented), unspecified elbow
- M12.231Villonodular synovitis (pigmented), right wrist
- M12.232Villonodular synovitis (pigmented), left wrist
- M12.239Villonodular synovitis (pigmented), unspecified wrist
- M12.241Villonodular synovitis (pigmented), right hand
- M12.242Villonodular synovitis (pigmented), left hand
- M12.249Villonodular synovitis (pigmented), unspecified hand
- M12.251Villonodular synovitis (pigmented), right hip
- M12.252Villonodular synovitis (pigmented), left hip
- M12.259Villonodular synovitis (pigmented), unspecified hip
- M12.261Villonodular synovitis (pigmented), right knee
- M12.262Villonodular synovitis (pigmented), left knee
- M12.269Villonodular synovitis (pigmented), unspecified knee
- M12.271Villonodular synovitis (pigmented), right ankle and foot
- M12.272Villonodular synovitis (pigmented), left ankle and foot
- M12.279Villonodular synovitis (pigmented), unspecified ankle and foot
- M12.28Villonodular synovitis (pigmented), other specified site
- M12.29Villonodular synovitis (pigmented), multiple sites
M12.3…
24 codes
- M12.30Palindromic rheumatism, unspecified site
- M12.311Palindromic rheumatism, right shoulder
- M12.312Palindromic rheumatism, left shoulder
- M12.319Palindromic rheumatism, unspecified shoulder
- M12.321Palindromic rheumatism, right elbow
- M12.322Palindromic rheumatism, left elbow
- M12.329Palindromic rheumatism, unspecified elbow
- M12.331Palindromic rheumatism, right wrist
- M12.332Palindromic rheumatism, left wrist
- M12.339Palindromic rheumatism, unspecified wrist
- M12.341Palindromic rheumatism, right hand
- M12.342Palindromic rheumatism, left hand
- M12.349Palindromic rheumatism, unspecified hand
- M12.351Palindromic rheumatism, right hip
- M12.352Palindromic rheumatism, left hip
- M12.359Palindromic rheumatism, unspecified hip
- M12.361Palindromic rheumatism, right knee
- M12.362Palindromic rheumatism, left knee
- M12.369Palindromic rheumatism, unspecified knee
- M12.371Palindromic rheumatism, right ankle and foot
- M12.372Palindromic rheumatism, left ankle and foot
- M12.379Palindromic rheumatism, unspecified ankle and foot
- M12.38Palindromic rheumatism, other specified site
- M12.39Palindromic rheumatism, multiple sites
M12.4…
24 codes
- M12.40Intermittent hydrarthrosis, unspecified site
- M12.411Intermittent hydrarthrosis, right shoulder
- M12.412Intermittent hydrarthrosis, left shoulder
- M12.419Intermittent hydrarthrosis, unspecified shoulder
- M12.421Intermittent hydrarthrosis, right elbow
- M12.422Intermittent hydrarthrosis, left elbow
- M12.429Intermittent hydrarthrosis, unspecified elbow
- M12.431Intermittent hydrarthrosis, right wrist
- M12.432Intermittent hydrarthrosis, left wrist
- M12.439Intermittent hydrarthrosis, unspecified wrist
- M12.441Intermittent hydrarthrosis, right hand
- M12.442Intermittent hydrarthrosis, left hand
- M12.449Intermittent hydrarthrosis, unspecified hand
- M12.451Intermittent hydrarthrosis, right hip
- M12.452Intermittent hydrarthrosis, left hip
- M12.459Intermittent hydrarthrosis, unspecified hip
- M12.461Intermittent hydrarthrosis, right knee
- M12.462Intermittent hydrarthrosis, left knee
- M12.469Intermittent hydrarthrosis, unspecified knee
- M12.471Intermittent hydrarthrosis, right ankle and foot
- M12.472Intermittent hydrarthrosis, left ankle and foot
- M12.479Intermittent hydrarthrosis, unspecified ankle and foot
- M12.48Intermittent hydrarthrosis, other site
- M12.49Intermittent hydrarthrosis, multiple sites
M12.5…
24 codes
- M12.50Traumatic arthropathy, unspecified site
- M12.511Traumatic arthropathy, right shoulder
- M12.512Traumatic arthropathy, left shoulder
- M12.519Traumatic arthropathy, unspecified shoulder
- M12.521Traumatic arthropathy, right elbow
- M12.522Traumatic arthropathy, left elbow
- M12.529Traumatic arthropathy, unspecified elbow
- M12.531Traumatic arthropathy, right wrist
- M12.532Traumatic arthropathy, left wrist
- M12.539Traumatic arthropathy, unspecified wrist
- M12.541Traumatic arthropathy, right hand
- M12.542Traumatic arthropathy, left hand
- M12.549Traumatic arthropathy, unspecified hand
- M12.551Traumatic arthropathy, right hip
- M12.552Traumatic arthropathy, left hip
- M12.559Traumatic arthropathy, unspecified hip
- M12.561Traumatic arthropathy, right knee
- M12.562Traumatic arthropathy, left knee
- M12.569Traumatic arthropathy, unspecified knee
- M12.571Traumatic arthropathy, right ankle and foot
- M12.572Traumatic arthropathy, left ankle and foot
- M12.579Traumatic arthropathy, unspecified ankle and foot
- M12.58Traumatic arthropathy, other specified site
- M12.59Traumatic arthropathy, multiple sites
M12.8…
24 codes
- M12.80Other specific arthropathies, not elsewhere classified, unspecified site
- M12.811Other specific arthropathies, not elsewhere classified, right shoulder
- M12.812Other specific arthropathies, not elsewhere classified, left shoulder
- M12.819Other specific arthropathies, not elsewhere classified, unspecified shoulder
- M12.821Other specific arthropathies, not elsewhere classified, right elbow
- M12.822Other specific arthropathies, not elsewhere classified, left elbow
- M12.829Other specific arthropathies, not elsewhere classified, unspecified elbow
- M12.831Other specific arthropathies, not elsewhere classified, right wrist
- M12.832Other specific arthropathies, not elsewhere classified, left wrist
- M12.839Other specific arthropathies, not elsewhere classified, unspecified wrist
- M12.841Other specific arthropathies, not elsewhere classified, right hand
- M12.842Other specific arthropathies, not elsewhere classified, left hand
- M12.849Other specific arthropathies, not elsewhere classified, unspecified hand
- M12.851Other specific arthropathies, not elsewhere classified, right hip
- M12.852Other specific arthropathies, not elsewhere classified, left hip
- M12.859Other specific arthropathies, not elsewhere classified, unspecified hip
- M12.861Other specific arthropathies, not elsewhere classified, right knee
- M12.862Other specific arthropathies, not elsewhere classified, left knee
- M12.869Other specific arthropathies, not elsewhere classified, unspecified knee
- M12.871Other specific arthropathies, not elsewhere classified, right ankle and foot
- M12.872Other specific arthropathies, not elsewhere classified, left ankle and foot
- M12.879Other specific arthropathies, not elsewhere classified, unspecified ankle and foot
- M12.88Other specific arthropathies, not elsewhere classified, other specified site
- M12.89Other specific arthropathies, not elsewhere classified, multiple sites
M12.9…
1 code
Outside the US? M12 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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