ICD-10-CM
M1A.4691: Other secondary chronic gout, unspecified knee, with tophus (tophi)
A billable ICD-10-CM diagnosis code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
- Kind
- Billable code
- Category
- M1A
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Nearby codes
A header groups codes and is not billed. A billable code is one you can report.
It's the public CDC file. Check the current ICD-10-CM guidelines before you code.
Code first
The CDC tabular list says to report the code named here before this one.
From M1A.4. A note on a category applies to every code under it.
Code first associated condition
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From M1A. A note on a category applies to every code under it.
Use additional code to identify:
- G99.0Autonomic neuropathy in diseases classified elsewhere
- N22Calculus of urinary tract in diseases classified elsewhere
- I43Cardiomyopathy in diseases classified elsewhere
- H61.1-, H62.8-Disorders of external ear in diseases classified elsewhere
- H22Disorders of iris and ciliary body in diseases classified elsewhere
- N08Glomerular disorders in diseases classified elsewhere
Excludes1
Excludes1 means these codes are not reported together.
From M1A. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From M1A. A note on a category applies to every code under it.