2023 ICD-10-CM Diagnosis Code H74.02

Tympanosclerosis, left ear

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • H74.02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM H74.02 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of H74.02 - other international versions of ICD-10 H74.02 may differ.
The following code(s) above H74.02 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 H74.02:
  • H60-H95
    2023 ICD-10-CM Range H60-H95

    Diseases of the ear and mastoid process

    • 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
  • H74
    ICD-10-CM Diagnosis Code H74

    Other disorders of middle ear mastoid

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    Other disorders of middle ear mastoid
Approximate Synonyms
  • Left tympanosclerosis
ICD-10-CM H74.02 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 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

Convert H74.02 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
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To H74.02
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
H74.2 Discontinuity and dislocation of ear ossicles
H74.20 …… unspecified ear
H74.21 Discontinuity and dislocation of right ear ossicles

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