M1A.43
Other secondary chronic gout, wrist
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.4code
Code first
- associated condition
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
Alongside this code 9 same parent — M1A.4
M1A.40 Other secondary chronic gout, unspecified site category M1A.41 Other secondary chronic gout, shoulder category M1A.42 Other secondary chronic gout, elbow category M1A.44 Other secondary chronic gout, hand category M1A.45 Other secondary chronic gout, hip category M1A.46 Other secondary chronic gout, knee category M1A.47 Other secondary chronic gout, ankle and foot category M1A.48 Other secondary chronic gout, vertebrae category M1A.49 Other secondary chronic gout, multiple sites category
Subordinate codes 3
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.