A31.1

Cutaneous mycobacterial infection

Billable / specific

A31.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

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

Includes (from A31)

  • diseases generally recognized as communicable or transmissible

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-) (from A31)
  • certain localized infections - see body system-related chapters (from A31)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A31)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A31)
  • influenza and other acute respiratory infections (J00-J22) (from A31)
  • leprosy (A30.-) (from A31)
  • tuberculosis (A15-A19) (from A31)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from A31)

Also known as

  • Buruli ulcer
  • Infection due to Mycobacterium marinum
  • Infection due to Mycobacterium ulcerans
  • Disease, diseased, swimming-pool granuloma
  • Granuloma, swimming pool
  • Infection, infected, infective, Bacillus, swimming pool
  • Infection, infected, infective, swimming pool bacillus
  • Mycobacterium, mycobacterial, atypical, cutaneous
  • Mycobacterium, mycobacterial, balnei
  • Mycobacterium, mycobacterial, cutaneous
  • Mycobacterium, mycobacterial, luciflavum
  • Mycobacterium, mycobacterial, marinum
  • Mycobacterium, mycobacterial, ulcerans
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative, Buruli
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative, mycobacterial
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative, skin, mycobacterial

Parent code

  • A31Infection due to other mycobacteriaHeader

Related codes

  • A31.0Pulmonary mycobacterial infectionBillable
  • A31.2Disseminated mycobacterium avium-intracellulare complex (DMAC)Billable
  • A31.8Other mycobacterial infectionsBillable
  • A31.9Mycobacterial infection, unspecifiedBillable

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