2022 ICD-10-CM Diagnosis Code A18.6

Tuberculosis of (inner) (middle) ear

    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • A18.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2022 edition of ICD-10-CM A18.6 became effective on October 1, 2021.
  • 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
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (A18.6) and the excluded code together.
  • tuberculosis of external ear (
    ICD-10-CM Diagnosis Code A18.4

    Tuberculosis of skin and subcutaneous tissue

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Erythema induratum, tuberculous
    • Lupus excedens
    • Lupus vulgaris NOS
    • Lupus vulgaris of eyelid
    • Scrofuloderma
    • Tuberculosis of external ear
    Type 2 Excludes
    • lupus erythematosus (L93.-)
    • systemic lupus erythematosus (M32.-)
    A18.4
    )
  • tuberculous mastoiditis (
    ICD-10-CM Diagnosis Code A18.03

    Tuberculosis of other bones

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Tuberculous mastoiditis
    • Tuberculous osteomyelitis
    A18.03
    )
The following code(s) above A18.6 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A18.6:
  • A00-B99
    2022 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • A15-A19
    2022 ICD-10-CM Range A15-A19

    Tuberculosis

    Includes
    • infections due to Mycobacterium tuberculosis and Mycobacterium bovis
    Type 1 Excludes
    • congenital tuberculosis (P37.0)
    • nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
    • pneumoconiosis associated with tuberculosis, any type in A15 (J65)
    • positive PPD (R76.11)
    • positive tuberculin skin test without active tuberculosis (R76.11)
    • sequelae of tuberculosis (B90.-)
    • silicotuberculosis (J65)
    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 v39.0):
  • 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-CM

Code 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
Code annotations containing back-references to A18.6:
  • Type 1 Excludes: H66.3
    , H67
    ICD-10-CM Diagnosis Code H66.3

    Other chronic suppurative otitis media

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Applicable To
    • Chronic suppurative otitis media NOS
    Type 1 Excludes
    • tuberculous otitis media (A18.6)
    Use Additional
    • code for any associated perforated tympanic membrane (H72.-)
    ICD-10-CM Diagnosis Code H67

    Otitis media in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Code First
    • underlying disease, such as:
    • plasminogen deficiency (E88.02)
    • viral disease NEC (B00-B34)
    Type 1 Excludes
    Use Additional
    • code for any associated perforated tympanic membrane (H72.-)

Diagnosis Index entries containing back-references to A18.6:
  • Otitis (acute) H66.90
    ICD-10-CM Diagnosis Code H66.90

    Otitis media, unspecified, unspecified ear

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    • media (hemorrhagic) (staphylococcal) (streptococcal) H66.9-
      ICD-10-CM Diagnosis Code H66.9-

      Otitis media, unspecified

        2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
      Applicable To
      • Otitis media NOS
      • Acute otitis media NOS
      • Chronic otitis media NOS
      Use Additional
      • code for any associated perforated tympanic membrane (H72.-)
      • 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
    ICD-10-CM Diagnosis Code A15.9

    Respiratory tuberculosis unspecified

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    • ear (inner) (middle) A18.6
    • eustachian tube A18.6
    • otitis media A18.6

ICD-10-CM Codes Adjacent To A18.6
A18.32 Tuberculous enteritis
A18.39 Retroperitoneal tuberculosis
A18.4 Tuberculosis of skin and subcutaneous tissue
A18.5 Tuberculosis of eye
A18.50 …… unspecified
A18.51 Tuberculous episcleritis
A18.52 Tuberculous keratitis
A18.53 Tuberculous chorioretinitis
A18.54 Tuberculous iridocyclitis
A18.59 Other tuberculosis of eye
A18.6 Tuberculosis of (inner) (middle) ear
A18.7 Tuberculosis of adrenal glands
A18.8 Tuberculosis of other specified organs
A18.81 Tuberculosis of thyroid gland
A18.82 Tuberculosis of other endocrine glands
A18.83 Tuberculosis of digestive tract organs, not elsewhere classified
A18.84 Tuberculosis of heart
A18.85 Tuberculosis of spleen
A18.89 Tuberculosis of other sites
A19 Miliary tuberculosis
A19.0 Acute miliary tuberculosis of a single specified site

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.