M1A.2
Drug-induced chronic gout
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 2
0 without tophus (tophi)
1 with tophus (tophi)
Instructional notes 10
M1Acode
Use additional code
- code to identify:
- Autonomic neuropathy in diseases classified elsewhere (G99.0)G99.0
- Calculus of urinary tract in diseases classified elsewhere (N22)N22
- Cardiomyopathy in diseases classified elsewhere (I43)I43
- Disorders of external ear in diseases classified elsewhere (H61.1-, H62.8-)H61.1-H62.8-
- Disorders of iris and ciliary body in diseases classified elsewhere (H22)H22
- Glomerular disorders in diseases classified elsewhere (N08)N08
M1A.2code
M00-M25block
Includes
- Disorders affecting predominantly peripheral (limb) joints
M00-M99chapter
Notes
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 5 same parent — M1A
Subordinate codes 10
M1A.20 Drug-induced chronic gout, unspecified site M1A.21 Drug-induced chronic gout, shoulder M1A.22 Drug-induced chronic gout, elbow M1A.23 Drug-induced chronic gout, wrist M1A.24 Drug-induced chronic gout, hand M1A.25 Drug-induced chronic gout, hip M1A.26 Drug-induced chronic gout, knee M1A.27 Drug-induced chronic gout, ankle and foot M1A.28 Drug-induced chronic gout, vertebrae M1A.29 Drug-induced chronic gout, multiple sites
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.