A31.1

A31.1: Cutaneous mycobacterial infection

Billable / specific codeICD-10-CM

A31.1 is a billable, specific ICD-10-CM code for cutaneous mycobacterial infection. It is valid for submission on a claim.

Check A31.1 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Excludes2 inherited from the categories above A31.1

Not part of this code, but both may be coded when both are present.

Written on A31: Infection due to other mycobacteria

leprosy (A30.-)
tuberculosis (A15-A19)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

A31.1 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57221Billing and Coding: Plastic Surgery

Alphabetic index entries that lead here

Buruli ulcer
Disease, diseased›swimming-pool granuloma
Granuloma›swimming pool
Infection, infected, infective›swimming pool bacillus
Mycobacterium, mycobacterial›balnei
Mycobacterium, mycobacterial›cutaneous
Mycobacterium, mycobacterial›luciflavum
Mycobacterium, mycobacterial›marinum(M. balnei)
Mycobacterium, mycobacterial›ulcerans
Ulcer, ulcerated, ulcerating, ulceration, ulcerative›Buruli
Ulcer, ulcerated, ulcerating, ulceration, ulcerative›mycobacterial(skin)
Infection, infected, infective›Bacillus›swimming pool

Code history

Unchanged in every release from FY2024 to FY2027.