A31.1

Billable

Cutaneous mycobacterial infection

A31.1 is the ICD-10-CM code for Cutaneous mycobacterial infection. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
A00-B99
Parent
A31
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Mycobacteria are a type of germ. There are many different kinds. The most common one causes tuberculosis . Another one causes leprosy. Still others cause infections that are called atypical mycobacterial infections. They aren't "typical" because they don't cause tuberculosis. But they can still harm people, especially people with other problems that affect their immunity, such as AIDS. Sometimes you can have these…

Read more about Mycobacterial Infections at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Buruli ulcer
  • Infection due to Mycobacterium marinum
  • Infection due to Mycobacterium ulcerans

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code A31.1?
A31.1 is the ICD-10-CM code for "Cutaneous mycobacterial infection". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A31.1 a billable code?
Yes — A31.1 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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