M1A.3490
Chronic gout due to renal impairment, unspecified hand, without tophus (tophi)
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 1 more
specific code sit alongside it. Worth
checking whether the documentation supports one of them.
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) this code
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.3code
Code first
- associated renal disease
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 1
Alongside this code 1 same parent — M1A.349
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.