2020 ICD-10-CM Diagnosis Code H74

Other disorders of middle ear mastoid

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • H74 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM H74 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of H74 - other international versions of ICD-10 H74 may differ.
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 (H74) and the excluded code together.
  • mastoiditis (
    ICD-10-CM Diagnosis Code H70
    • H70 Mastoiditis and related conditions
      • H70.0 Acute mastoiditis
        • H70.00 Acute mastoiditis without complications
          • H70.001 Acute mastoiditis without complications, righ...
          • H70.002 Acute mastoiditis without complications, left...
          • H70.003 Acute mastoiditis without complications, bila...
          • H70.009 Acute mastoiditis without complications, unsp...
        • H70.01 Subperiosteal abscess of mastoid
        • H70.09 Acute mastoiditis with other complications
          • H70.091 Acute mastoiditis with other complications, r...
          • H70.092 Acute mastoiditis with other complications, l...
          • H70.093 Acute mastoiditis with other complications, b...
          • H70.099 Acute mastoiditis with other complications, u...
      • H70.1 Chronic mastoiditis
      • H70.2 Petrositis
      • H70.8 Other mastoiditis and related conditions
        • H70.81 Postauricular fistula
        • H70.89 Other mastoiditis and related conditions
          • H70.891 Other mastoiditis and related conditions, rig...
          • H70.892 Other mastoiditis and related conditions, lef...
          • H70.893 Other mastoiditis and related conditions, bil...
          • H70.899 Other mastoiditis and related conditions, uns...
      • H70.9 Unspecified mastoiditis
    H70.-
    )
The following code(s) above H74 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 H74:
  • H60-H95
    2020 ICD-10-CM Range H60-H95

    Diseases of the ear and mastoid process

    Note
    • Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition
    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the ear and mastoid process
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
ICD-10-CM Codes Adjacent To H74
H73.89 Other specified disorders of tympanic membrane
H73.891 …… right ear
H73.892 …… left ear
H73.893 …… bilateral
H73.899 …… unspecified ear
H73.9 Unspecified disorder of tympanic membrane
H73.90 …… unspecified ear
H73.91 …… right ear
H73.92 …… left ear
H73.93 …… bilateral
H74 Other disorders of middle ear mastoid
H74.0 Tympanosclerosis
H74.01 …… right ear
H74.02 …… left ear
H74.03 …… bilateral
H74.09 …… unspecified ear
H74.1 Adhesive middle ear disease
H74.11 Adhesive right middle ear disease
H74.12 Adhesive left middle ear disease
H74.13 …… bilateral
H74.19 …… unspecified ear

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