M1A.2691 – Drug-induced chronic gout, unspecified knee, with tophus (tophi)
ICD-10-CM 2027 diagnosis code · Inflammatory polyarthropathies
ICD-10-CM code
M1A.2691
- Code
M1A.2691(claims format:M1A2691)- Description
- Drug-induced chronic gout, unspecified knee, with tophus (tophi)
- Short description
- Drug-induced chronic gout, unspecified knee, with tophus
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M05-M14 Inflammatory polyarthropathies
- Parent codes
- M1A › M1A.2 › M1A.26 › M1A.269
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
0 | without tophus (tophi) |
1 | with tophus (tophi) |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M1A – Chronic gout
Excludes1 (not coded here):
- gout NOS (M10.-)
Excludes2 (not included here):
- acute gout (M10.-)
Use additional code:
- 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)
7th character note:
- The appropriate 7th character is to be added to each code from category M1A
M1A.2 – Drug-induced chronic gout
Related codes in M1A.269
Frequently asked questions
What is ICD-10 code M1A.2691?
M1A.2691 is the ICD-10-CM code for drug-induced chronic gout, unspecified knee, with tophus (tophi), in the block M05-M14 (Inflammatory polyarthropathies).
Is M1A.2691 a billable code?
Yes. M1A.2691 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M1A.2691 belong to?
It belongs to category M1A – Chronic gout.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.