Code Information

  • Diagnosis Code: 031.9
  • Short Description: Mycobacterial dis NOS
  • Long Description: Unspecified diseases due to mycobacteria
  • Code Version: 2015 ICD-9-CM

Code Classification

  • Infectious and parasitic diseases (001–139)
    • Other bacterial diseases (030-041)
      • 031 Diseases due to other mycobacteria
        • 031.9 Mycobacterial dis NOS

References to Index of Diseases and Injuries

The code 031.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

  • Disease, diseased - see also Syndrome
    • photochromogenic (acid-fast bacilli) (pulmonary) 031.0
      • nonpulmonary 031.9
  • Infection, infected, infective (opportunistic) 136.9
    • atypical
      • acid-fast (bacilli) (see also Mycobacterium, atypical) 031.9
      • mycobacteria (see also Mycobacterium, atypical) 031.9
    • Mycobacterium, mycobacterial (see also Mycobacterium) 031.9
  • Mycobacterium, mycobacterial (infection) 031.9
    • acid-fast (bacilli) 031.9
    • anonymous (see also Mycobacterium, atypical) 031.9
    • atypical (acid-fast bacilli) 031.9
      • cutaneous 031.1
      • pulmonary 031.0
        • tuberculous (see also Tuberculosis, pulmonary) 011.9
      • specified site NEC 031.8
    • avium 031.0
      • intracellulare complex bacteremia (MAC) 031.2
    • balnei 031.1
    • Battey 031.0
    • cutaneous 031.1
    • disseminated 031.2
      • avium-intracellulare complex (DMAC) 031.2
    • fortuitum 031.0
    • intracellulare (battey bacillus) 031.0
    • kakerifu 031.8
    • kansasii 031.0
    • kasongo 031.8
    • leprae - see Leprosy
    • luciflavum 031.0
    • marinum 031.1
    • pulmonary 031.0
      • tuberculous (see also Tuberculosis, pulmonary) 011.9
    • scrofulaceum 031.1
    • tuberculosis (human, bovine) - see also Tuberculosis
      • avian type 031.0
    • ulcerans 031.1
    • xenopi 031.0

Crosswalk Information

The code 031.9 converts into the following ICD-10 code(s):

ICD-9 Code ICD-10 Code ICD-10 Description
031.9 Right Arrow A31.9 Mycobacterial infection, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
031.0 Pulmonary diseases due to other mycobacteria
031.1 Cutaneous diseases due to other mycobacteria
031.2 Disseminated due to other mycobacteria
031.8 Other specified mycobacterial diseases
This page was last updated on: 10/1/2014