ICD-10-CM M1A is the diagnosis code for Chronic gout. This code falls under the section "Inflammatory polyarthropathies" within Chapter 13 â Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as M1A. They are mutually exclusive:
The following conditions are not included in M1A. If the patient has both, code each condition separately:
Understanding where M1A sits in the ICD-10-CM classification helps ensure proper coding:
No, M1A is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M1A is the ICD-10-CM diagnosis code for "Chronic gout". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M1A is located in Section M05-M14 â "Inflammatory polyarthropathies" within Chapter 13 of the ICD-10-CM Tabular List.
M1A has 6 sub-code(s) that provide more specific detail: M1A.0, M1A.1, M1A.2, M1A.3, M1A.4 and more.
Use M1A when the patients documented diagnosis matches "Chronic gout" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Chronic gout is M1A.
No, M1A is non-billable. Use a more specific sub-code for primary diagnosis billing.
M1A is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M1A include: gout NOS (M10.-).
Yes, M1A is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.