2024 ICD-10-CM Diagnosis Code A18.6

Tuberculosis of (inner) (middle) ear

  • A18.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A18.6 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A18.6 – other international versions of ICD-10 A18.6 may differ.

Applicable To

  • Tuberculous otitis media

Type 2 Excludes

  • tuberculosis of external ear (A18.4)
  • tuberculous mastoiditis (A18.03)

The following code(s) above A18.6 contain annotation back-references

 that may be applicable to A18.6:

  • A00-B99  Certain infectious and parasitic diseases
  • A15-A19  Tuberculosis

Approximate Synonyms

  • Tb of bilateral ears
  • Tb of left ear
  • Tb of right ear
  • Tuberculosis (tb) ear
  • Tuberculosis of bilateral ears
  • Tuberculosis of ear
  • Tuberculosis of left ear
  • Tuberculosis of right ear

ICD-10-CM A18.6 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 154 Other ear, nose, mouth and throat diagnoses with mcc
  • 155 Other ear, nose, mouth and throat diagnoses with cc
  • 156 Other ear, nose, mouth and throat diagnoses without cc/mcc
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert A18.6 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to A18.6:

Diagnosis Index entries containing back-references to A18.6:

  • Otitis (acute) H66.90
    • media (hemorrhagic) (staphylococcal) (streptococcal) H66.9-
      • in (due to) (with)
        • tuberculosis A18.6
      • tuberculous A18.6
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
    • ear (inner) (middle) A18.6
    • eustachian tube A18.6
    • otitis media A18.6