1. M1A Chronic gout

    Use Additional code to identify:
    Autonomic neuropathy in diseases classified elsewhere (G99.0)
    Calculus of urinary tract in diseases classified elsewhere (N22)
    Cardiomyopathy in diseases classified elsewhere (I43)
    Disorders of external ear in diseases classified elsewhere (H61.1-, H62.8-)
    Disorders of iris and ciliary body in diseases classified elsewhere (H22)
    Glomerular disorders in diseases classified elsewhere (N08)

    Excludes1

    • gout NOS (M10.-)

    Excludes2

    • acute gout (M10.-)

    The appropriate 7th character is to be added to each code from category M1A

    • 0 - without tophus (tophi)
    • 1 - with tophus (tophi)
    1. M1A.0 Idiopathic chronic gout

      Inclusion term(s):

      • Chronic gouty bursitis
      • Primary chronic gout
      1. M1A.00 Idiopathic chronic gout, unspecified site

      2. M1A.01 Idiopathic chronic gout, shoulder

        • M1A.011 Idiopathic chronic gout, right shoulder
        • M1A.012 Idiopathic chronic gout, left shoulder
        • M1A.019 Idiopathic chronic gout, unspecified shoulder
      3. M1A.02 Idiopathic chronic gout, elbow

        • M1A.021 Idiopathic chronic gout, right elbow
        • M1A.022 Idiopathic chronic gout, left elbow
        • M1A.029 Idiopathic chronic gout, unspecified elbow
      4. M1A.03 Idiopathic chronic gout, wrist

        • M1A.031 Idiopathic chronic gout, right wrist
        • M1A.032 Idiopathic chronic gout, left wrist
        • M1A.039 Idiopathic chronic gout, unspecified wrist
      5. M1A.04 Idiopathic chronic gout, hand

        • M1A.041 Idiopathic chronic gout, right hand
        • M1A.042 Idiopathic chronic gout, left hand
        • M1A.049 Idiopathic chronic gout, unspecified hand
      6. M1A.05 Idiopathic chronic gout, hip

        • M1A.051 Idiopathic chronic gout, right hip
        • M1A.052 Idiopathic chronic gout, left hip
        • M1A.059 Idiopathic chronic gout, unspecified hip
      7. M1A.06 Idiopathic chronic gout, knee

        • M1A.061 Idiopathic chronic gout, right knee
        • M1A.062 Idiopathic chronic gout, left knee
        • M1A.069 Idiopathic chronic gout, unspecified knee
      8. M1A.07 Idiopathic chronic gout, ankle and foot

        • M1A.071 Idiopathic chronic gout, right ankle and foot
        • M1A.072 Idiopathic chronic gout, left ankle and foot
        • M1A.079 Idiopathic chronic gout, unspecified ankle and foot
      9. M1A.08 Idiopathic chronic gout, vertebrae

      10. M1A.09 Idiopathic chronic gout, multiple sites

    2. M1A.1 Lead-induced chronic gout

      1. M1A.10 Lead-induced chronic gout, unspecified site

      2. M1A.11 Lead-induced chronic gout, shoulder

        • M1A.111 Lead-induced chronic gout, right shoulder
        • M1A.112 Lead-induced chronic gout, left shoulder
        • M1A.119 Lead-induced chronic gout, unspecified shoulder
      3. M1A.12 Lead-induced chronic gout, elbow

        • M1A.121 Lead-induced chronic gout, right elbow
        • M1A.122 Lead-induced chronic gout, left elbow
        • M1A.129 Lead-induced chronic gout, unspecified elbow
      4. M1A.13 Lead-induced chronic gout, wrist

        • M1A.131 Lead-induced chronic gout, right wrist
        • M1A.132 Lead-induced chronic gout, left wrist
        • M1A.139 Lead-induced chronic gout, unspecified wrist
      5. M1A.14 Lead-induced chronic gout, hand

        • M1A.141 Lead-induced chronic gout, right hand
        • M1A.142 Lead-induced chronic gout, left hand
        • M1A.149 Lead-induced chronic gout, unspecified hand
      6. M1A.15 Lead-induced chronic gout, hip

        • M1A.151 Lead-induced chronic gout, right hip
        • M1A.152 Lead-induced chronic gout, left hip
        • M1A.159 Lead-induced chronic gout, unspecified hip
      7. M1A.16 Lead-induced chronic gout, knee

        • M1A.161 Lead-induced chronic gout, right knee
        • M1A.162 Lead-induced chronic gout, left knee
        • M1A.169 Lead-induced chronic gout, unspecified knee
      8. M1A.17 Lead-induced chronic gout, ankle and foot

        • M1A.171 Lead-induced chronic gout, right ankle and foot
        • M1A.172 Lead-induced chronic gout, left ankle and foot
        • M1A.179 Lead-induced chronic gout, unspecified ankle and foot
      9. M1A.18 Lead-induced chronic gout, vertebrae

      10. M1A.19 Lead-induced chronic gout, multiple sites

    3. M1A.2 Drug-induced chronic gout

      1. M1A.20 Drug-induced chronic gout, unspecified site

      2. M1A.21 Drug-induced chronic gout, shoulder

        • M1A.211 Drug-induced chronic gout, right shoulder
        • M1A.212 Drug-induced chronic gout, left shoulder
        • M1A.219 Drug-induced chronic gout, unspecified shoulder
      3. M1A.22 Drug-induced chronic gout, elbow

        • M1A.221 Drug-induced chronic gout, right elbow
        • M1A.222 Drug-induced chronic gout, left elbow
        • M1A.229 Drug-induced chronic gout, unspecified elbow
      4. M1A.23 Drug-induced chronic gout, wrist

        • M1A.231 Drug-induced chronic gout, right wrist
        • M1A.232 Drug-induced chronic gout, left wrist
        • M1A.239 Drug-induced chronic gout, unspecified wrist
      5. M1A.24 Drug-induced chronic gout, hand

        • M1A.241 Drug-induced chronic gout, right hand
        • M1A.242 Drug-induced chronic gout, left hand
        • M1A.249 Drug-induced chronic gout, unspecified hand
      6. M1A.25 Drug-induced chronic gout, hip

        • M1A.251 Drug-induced chronic gout, right hip
        • M1A.252 Drug-induced chronic gout, left hip
        • M1A.259 Drug-induced chronic gout, unspecified hip
      7. M1A.26 Drug-induced chronic gout, knee

        • M1A.261 Drug-induced chronic gout, right knee
        • M1A.262 Drug-induced chronic gout, left knee
        • M1A.269 Drug-induced chronic gout, unspecified knee
      8. M1A.27 Drug-induced chronic gout, ankle and foot

        • M1A.271 Drug-induced chronic gout, right ankle and foot
        • M1A.272 Drug-induced chronic gout, left ankle and foot
        • M1A.279 Drug-induced chronic gout, unspecified ankle and foot
      9. M1A.28 Drug-induced chronic gout, vertebrae

      10. M1A.29 Drug-induced chronic gout, multiple sites

    4. M1A.3 Chronic gout due to renal impairment

      1. M1A.30 Chronic gout due to renal impairment, unspecified site

      2. M1A.31 Chronic gout due to renal impairment, shoulder

        • M1A.311 Chronic gout due to renal impairment, right shoulder
        • M1A.312 Chronic gout due to renal impairment, left shoulder
        • M1A.319 Chronic gout due to renal impairment, unspecified shoulder
      3. M1A.32 Chronic gout due to renal impairment, elbow

        • M1A.321 Chronic gout due to renal impairment, right elbow
        • M1A.322 Chronic gout due to renal impairment, left elbow
        • M1A.329 Chronic gout due to renal impairment, unspecified elbow
      4. M1A.33 Chronic gout due to renal impairment, wrist

        • M1A.331 Chronic gout due to renal impairment, right wrist
        • M1A.332 Chronic gout due to renal impairment, left wrist
        • M1A.339 Chronic gout due to renal impairment, unspecified wrist
      5. M1A.34 Chronic gout due to renal impairment, hand

        • M1A.341 Chronic gout due to renal impairment, right hand
        • M1A.342 Chronic gout due to renal impairment, left hand
        • M1A.349 Chronic gout due to renal impairment, unspecified hand
      6. M1A.35 Chronic gout due to renal impairment, hip

        • M1A.351 Chronic gout due to renal impairment, right hip
        • M1A.352 Chronic gout due to renal impairment, left hip
        • M1A.359 Chronic gout due to renal impairment, unspecified hip
      7. M1A.36 Chronic gout due to renal impairment, knee

        • M1A.361 Chronic gout due to renal impairment, right knee
        • M1A.362 Chronic gout due to renal impairment, left knee
        • M1A.369 Chronic gout due to renal impairment, unspecified knee
      8. M1A.37 Chronic gout due to renal impairment, ankle and foot

        • M1A.371 Chronic gout due to renal impairment, right ankle and foot
        • M1A.372 Chronic gout due to renal impairment, left ankle and foot
        • M1A.379 Chronic gout due to renal impairment, unspecified ankle and foot
      9. M1A.38 Chronic gout due to renal impairment, vertebrae

      10. M1A.39 Chronic gout due to renal impairment, multiple sites

    5. M1A.4 Other secondary chronic gout

      1. M1A.40 Other secondary chronic gout, unspecified site

      2. M1A.41 Other secondary chronic gout, shoulder

        • M1A.411 Other secondary chronic gout, right shoulder
        • M1A.412 Other secondary chronic gout, left shoulder
        • M1A.419 Other secondary chronic gout, unspecified shoulder
      3. M1A.42 Other secondary chronic gout, elbow

        • M1A.421 Other secondary chronic gout, right elbow
        • M1A.422 Other secondary chronic gout, left elbow
        • M1A.429 Other secondary chronic gout, unspecified elbow
      4. M1A.43 Other secondary chronic gout, wrist

        • M1A.431 Other secondary chronic gout, right wrist
        • M1A.432 Other secondary chronic gout, left wrist
        • M1A.439 Other secondary chronic gout, unspecified wrist
      5. M1A.44 Other secondary chronic gout, hand

        • M1A.441 Other secondary chronic gout, right hand
        • M1A.442 Other secondary chronic gout, left hand
        • M1A.449 Other secondary chronic gout, unspecified hand
      6. M1A.45 Other secondary chronic gout, hip

        • M1A.451 Other secondary chronic gout, right hip
        • M1A.452 Other secondary chronic gout, left hip
        • M1A.459 Other secondary chronic gout, unspecified hip
      7. M1A.46 Other secondary chronic gout, knee

        • M1A.461 Other secondary chronic gout, right knee
        • M1A.462 Other secondary chronic gout, left knee
        • M1A.469 Other secondary chronic gout, unspecified knee
      8. M1A.47 Other secondary chronic gout, ankle and foot

        • M1A.471 Other secondary chronic gout, right ankle and foot
        • M1A.472 Other secondary chronic gout, left ankle and foot
        • M1A.479 Other secondary chronic gout, unspecified ankle and foot
      9. M1A.48 Other secondary chronic gout, vertebrae

      10. M1A.49 Other secondary chronic gout, multiple sites

    6. M1A.9 Chronic gout, 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.