1. M12 Other and unspecified arthropathy

    Excludes1

    1. M12.0 Chronic postrheumatic arthropathy [Jaccoud]

      1. M12.00 Chronic postrheumatic arthropathy [Jaccoud], unspecified site

      2. M12.01 Chronic postrheumatic arthropathy [Jaccoud], shoulder

        • M12.011 Chronic postrheumatic arthropathy [Jaccoud], right shoulder
        • M12.012 Chronic postrheumatic arthropathy [Jaccoud], left shoulder
        • M12.019 Chronic postrheumatic arthropathy [Jaccoud], unspecified shoulder
      3. M12.02 Chronic postrheumatic arthropathy [Jaccoud], elbow

        • M12.021 Chronic postrheumatic arthropathy [Jaccoud], right elbow
        • M12.022 Chronic postrheumatic arthropathy [Jaccoud], left elbow
        • M12.029 Chronic postrheumatic arthropathy [Jaccoud], unspecified elbow
      4. M12.03 Chronic postrheumatic arthropathy [Jaccoud], wrist

        • M12.031 Chronic postrheumatic arthropathy [Jaccoud], right wrist
        • M12.032 Chronic postrheumatic arthropathy [Jaccoud], left wrist
        • M12.039 Chronic postrheumatic arthropathy [Jaccoud], unspecified wrist
      5. M12.04 Chronic postrheumatic arthropathy [Jaccoud], hand

        • M12.041 Chronic postrheumatic arthropathy [Jaccoud], right hand
        • M12.042 Chronic postrheumatic arthropathy [Jaccoud], left hand
        • M12.049 Chronic postrheumatic arthropathy [Jaccoud], unspecified hand
      6. M12.05 Chronic postrheumatic arthropathy [Jaccoud], hip

        • M12.051 Chronic postrheumatic arthropathy [Jaccoud], right hip
        • M12.052 Chronic postrheumatic arthropathy [Jaccoud], left hip
        • M12.059 Chronic postrheumatic arthropathy [Jaccoud], unspecified hip
      7. M12.06 Chronic postrheumatic arthropathy [Jaccoud], knee

        • M12.061 Chronic postrheumatic arthropathy [Jaccoud], right knee
        • M12.062 Chronic postrheumatic arthropathy [Jaccoud], left knee
        • M12.069 Chronic postrheumatic arthropathy [Jaccoud], unspecified knee
      8. M12.07 Chronic postrheumatic arthropathy [Jaccoud], ankle and foot

        • M12.071 Chronic postrheumatic arthropathy [Jaccoud], right ankle and foot
        • M12.072 Chronic postrheumatic arthropathy [Jaccoud], left ankle and foot
        • M12.079 Chronic postrheumatic arthropathy [Jaccoud], unspecified ankle and foot
      9. M12.08 Chronic postrheumatic arthropathy [Jaccoud], other specified site

        Inclusion term(s):

        • Chronic postrheumatic arthropathy [Jaccoud], vertebrae
      10. M12.09 Chronic postrheumatic arthropathy [Jaccoud], multiple sites

    2. M12.1 Kaschin-Beck disease

      Inclusion term(s):

      • Osteochondroarthrosis deformans endemica
      1. M12.10 Kaschin-Beck disease, unspecified site

      2. M12.11 Kaschin-Beck disease, shoulder

        • M12.111 Kaschin-Beck disease, right shoulder
        • M12.112 Kaschin-Beck disease, left shoulder
        • M12.119 Kaschin-Beck disease, unspecified shoulder
      3. M12.12 Kaschin-Beck disease, elbow

        • M12.121 Kaschin-Beck disease, right elbow
        • M12.122 Kaschin-Beck disease, left elbow
        • M12.129 Kaschin-Beck disease, unspecified elbow
      4. M12.13 Kaschin-Beck disease, wrist

        • M12.131 Kaschin-Beck disease, right wrist
        • M12.132 Kaschin-Beck disease, left wrist
        • M12.139 Kaschin-Beck disease, unspecified wrist
      5. M12.14 Kaschin-Beck disease, hand

        • M12.141 Kaschin-Beck disease, right hand
        • M12.142 Kaschin-Beck disease, left hand
        • M12.149 Kaschin-Beck disease, unspecified hand
      6. M12.15 Kaschin-Beck disease, hip

        • M12.151 Kaschin-Beck disease, right hip
        • M12.152 Kaschin-Beck disease, left hip
        • M12.159 Kaschin-Beck disease, unspecified hip
      7. M12.16 Kaschin-Beck disease, knee

        • M12.161 Kaschin-Beck disease, right knee
        • M12.162 Kaschin-Beck disease, left knee
        • M12.169 Kaschin-Beck disease, unspecified knee
      8. M12.17 Kaschin-Beck disease, ankle and foot

        • M12.171 Kaschin-Beck disease, right ankle and foot
        • M12.172 Kaschin-Beck disease, left ankle and foot
        • M12.179 Kaschin-Beck disease, unspecified ankle and foot
      9. M12.18 Kaschin-Beck disease, vertebrae

      10. M12.19 Kaschin-Beck disease, multiple sites

    3. M12.2 Villonodular synovitis (pigmented)

      1. M12.20 Villonodular synovitis (pigmented), unspecified site

      2. M12.21 Villonodular synovitis (pigmented), shoulder

        • M12.211 Villonodular synovitis (pigmented), right shoulder
        • M12.212 Villonodular synovitis (pigmented), left shoulder
        • M12.219 Villonodular synovitis (pigmented), unspecified shoulder
      3. M12.22 Villonodular synovitis (pigmented), elbow

        • M12.221 Villonodular synovitis (pigmented), right elbow
        • M12.222 Villonodular synovitis (pigmented), left elbow
        • M12.229 Villonodular synovitis (pigmented), unspecified elbow
      4. M12.23 Villonodular synovitis (pigmented), wrist

        • M12.231 Villonodular synovitis (pigmented), right wrist
        • M12.232 Villonodular synovitis (pigmented), left wrist
        • M12.239 Villonodular synovitis (pigmented), unspecified wrist
      5. M12.24 Villonodular synovitis (pigmented), hand

        • M12.241 Villonodular synovitis (pigmented), right hand
        • M12.242 Villonodular synovitis (pigmented), left hand
        • M12.249 Villonodular synovitis (pigmented), unspecified hand
      6. M12.25 Villonodular synovitis (pigmented), hip

        • M12.251 Villonodular synovitis (pigmented), right hip
        • M12.252 Villonodular synovitis (pigmented), left hip
        • M12.259 Villonodular synovitis (pigmented), unspecified hip
      7. M12.26 Villonodular synovitis (pigmented), knee

        • M12.261 Villonodular synovitis (pigmented), right knee
        • M12.262 Villonodular synovitis (pigmented), left knee
        • M12.269 Villonodular synovitis (pigmented), unspecified knee
      8. M12.27 Villonodular synovitis (pigmented), ankle and foot

        • M12.271 Villonodular synovitis (pigmented), right ankle and foot
        • M12.272 Villonodular synovitis (pigmented), left ankle and foot
        • M12.279 Villonodular synovitis (pigmented), unspecified ankle and foot
      9. M12.28 Villonodular synovitis (pigmented), other specified site

        Inclusion term(s):

        • Villonodular synovitis (pigmented), vertebrae
      10. M12.29 Villonodular synovitis (pigmented), multiple sites

    4. M12.3 Palindromic rheumatism

      1. M12.30 Palindromic rheumatism, unspecified site

      2. M12.31 Palindromic rheumatism, shoulder

        • M12.311 Palindromic rheumatism, right shoulder
        • M12.312 Palindromic rheumatism, left shoulder
        • M12.319 Palindromic rheumatism, unspecified shoulder
      3. M12.32 Palindromic rheumatism, elbow

        • M12.321 Palindromic rheumatism, right elbow
        • M12.322 Palindromic rheumatism, left elbow
        • M12.329 Palindromic rheumatism, unspecified elbow
      4. M12.33 Palindromic rheumatism, wrist

        • M12.331 Palindromic rheumatism, right wrist
        • M12.332 Palindromic rheumatism, left wrist
        • M12.339 Palindromic rheumatism, unspecified wrist
      5. M12.34 Palindromic rheumatism, hand

        • M12.341 Palindromic rheumatism, right hand
        • M12.342 Palindromic rheumatism, left hand
        • M12.349 Palindromic rheumatism, unspecified hand
      6. M12.35 Palindromic rheumatism, hip

        • M12.351 Palindromic rheumatism, right hip
        • M12.352 Palindromic rheumatism, left hip
        • M12.359 Palindromic rheumatism, unspecified hip
      7. M12.36 Palindromic rheumatism, knee

        • M12.361 Palindromic rheumatism, right knee
        • M12.362 Palindromic rheumatism, left knee
        • M12.369 Palindromic rheumatism, unspecified knee
      8. M12.37 Palindromic rheumatism, ankle and foot

        • M12.371 Palindromic rheumatism, right ankle and foot
        • M12.372 Palindromic rheumatism, left ankle and foot
        • M12.379 Palindromic rheumatism, unspecified ankle and foot
      9. M12.38 Palindromic rheumatism, other specified site

        Inclusion term(s):

        • Palindromic rheumatism, vertebrae
      10. M12.39 Palindromic rheumatism, multiple sites

    5. M12.4 Intermittent hydrarthrosis

      1. M12.40 Intermittent hydrarthrosis, unspecified site

      2. M12.41 Intermittent hydrarthrosis, shoulder

        • M12.411 Intermittent hydrarthrosis, right shoulder
        • M12.412 Intermittent hydrarthrosis, left shoulder
        • M12.419 Intermittent hydrarthrosis, unspecified shoulder
      3. M12.42 Intermittent hydrarthrosis, elbow

        • M12.421 Intermittent hydrarthrosis, right elbow
        • M12.422 Intermittent hydrarthrosis, left elbow
        • M12.429 Intermittent hydrarthrosis, unspecified elbow
      4. M12.43 Intermittent hydrarthrosis, wrist

        • M12.431 Intermittent hydrarthrosis, right wrist
        • M12.432 Intermittent hydrarthrosis, left wrist
        • M12.439 Intermittent hydrarthrosis, unspecified wrist
      5. M12.44 Intermittent hydrarthrosis, hand

        • M12.441 Intermittent hydrarthrosis, right hand
        • M12.442 Intermittent hydrarthrosis, left hand
        • M12.449 Intermittent hydrarthrosis, unspecified hand
      6. M12.45 Intermittent hydrarthrosis, hip

        • M12.451 Intermittent hydrarthrosis, right hip
        • M12.452 Intermittent hydrarthrosis, left hip
        • M12.459 Intermittent hydrarthrosis, unspecified hip
      7. M12.46 Intermittent hydrarthrosis, knee

        • M12.461 Intermittent hydrarthrosis, right knee
        • M12.462 Intermittent hydrarthrosis, left knee
        • M12.469 Intermittent hydrarthrosis, unspecified knee
      8. M12.47 Intermittent hydrarthrosis, ankle and foot

        • M12.471 Intermittent hydrarthrosis, right ankle and foot
        • M12.472 Intermittent hydrarthrosis, left ankle and foot
        • M12.479 Intermittent hydrarthrosis, unspecified ankle and foot
      9. M12.48 Intermittent hydrarthrosis, other site

      10. M12.49 Intermittent hydrarthrosis, multiple sites

    6. M12.5 Traumatic arthropathy

      1. M12.50 Traumatic arthropathy, unspecified site

      2. M12.51 Traumatic arthropathy, shoulder

        • M12.511 Traumatic arthropathy, right shoulder
        • M12.512 Traumatic arthropathy, left shoulder
        • M12.519 Traumatic arthropathy, unspecified shoulder
      3. M12.52 Traumatic arthropathy, elbow

        • M12.521 Traumatic arthropathy, right elbow
        • M12.522 Traumatic arthropathy, left elbow
        • M12.529 Traumatic arthropathy, unspecified elbow
      4. M12.53 Traumatic arthropathy, wrist

        • M12.531 Traumatic arthropathy, right wrist
        • M12.532 Traumatic arthropathy, left wrist
        • M12.539 Traumatic arthropathy, unspecified wrist
      5. M12.54 Traumatic arthropathy, hand

        • M12.541 Traumatic arthropathy, right hand
        • M12.542 Traumatic arthropathy, left hand
        • M12.549 Traumatic arthropathy, unspecified hand
      6. M12.55 Traumatic arthropathy, hip

        • M12.551 Traumatic arthropathy, right hip
        • M12.552 Traumatic arthropathy, left hip
        • M12.559 Traumatic arthropathy, unspecified hip
      7. M12.56 Traumatic arthropathy, knee

        • M12.561 Traumatic arthropathy, right knee
        • M12.562 Traumatic arthropathy, left knee
        • M12.569 Traumatic arthropathy, unspecified knee
      8. 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
      9. M12.58 Traumatic arthropathy, other specified site

        Inclusion term(s):

        • Traumatic arthropathy, vertebrae
      10. M12.59 Traumatic arthropathy, multiple sites

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

      Inclusion term(s):

      • Transient arthropathy
      1. M12.80 Other specific arthropathies, not elsewhere classified, unspecified site

      2. 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
      3. M12.82 Other specific arthropathies, not elsewhere classified, elbow

        • M12.821 Other specific arthropathies, not elsewhere classified, right elbow
        • M12.822 Other specific arthropathies, not elsewhere classified, left elbow
        • M12.829 Other specific arthropathies, not elsewhere classified, unspecified elbow
      4. M12.83 Other specific arthropathies, not elsewhere classified, wrist

        • M12.831 Other specific arthropathies, not elsewhere classified, right wrist
        • M12.832 Other specific arthropathies, not elsewhere classified, left wrist
        • M12.839 Other specific arthropathies, not elsewhere classified, unspecified wrist
      5. M12.84 Other specific arthropathies, not elsewhere classified, hand

        • M12.841 Other specific arthropathies, not elsewhere classified, right hand
        • M12.842 Other specific arthropathies, not elsewhere classified, left hand
        • M12.849 Other specific arthropathies, not elsewhere classified, unspecified hand
      6. M12.85 Other specific arthropathies, not elsewhere classified, hip

        • M12.851 Other specific arthropathies, not elsewhere classified, right hip
        • M12.852 Other specific arthropathies, not elsewhere classified, left hip
        • M12.859 Other specific arthropathies, not elsewhere classified, unspecified hip
      7. M12.86 Other specific arthropathies, not elsewhere classified, knee

        • M12.861 Other specific arthropathies, not elsewhere classified, right knee
        • M12.862 Other specific arthropathies, not elsewhere classified, left knee
        • M12.869 Other specific arthropathies, not elsewhere classified, unspecified knee
      8. M12.87 Other specific arthropathies, not elsewhere classified, ankle and foot

        • M12.871 Other specific arthropathies, not elsewhere classified, right ankle and foot
        • M12.872 Other specific arthropathies, not elsewhere classified, left ankle and foot
        • M12.879 Other specific arthropathies, not elsewhere classified, unspecified ankle and foot
      9. M12.88 Other specific arthropathies, not elsewhere classified, other specified site

        Inclusion term(s):

        • Other specific arthropathies, not elsewhere classified, vertebrae
      10. M12.89 Other specific arthropathies, not elsewhere classified, multiple sites

    8. M12.9 Arthropathy, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.