2020 ICD-10-CM Diagnosis Code H74.329

Partial loss of ear ossicles, unspecified ear

    2016 2017 2018 2019 2020 Billable/Specific Code
  • H74.329 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM H74.329 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of H74.329 - other international versions of ICD-10 H74.329 may differ.
The following code(s) above H74.329 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 H74.329:
  • H60-H95
    2020 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 Non-Billable/Non-Specific Code
    Type 2 Excludes
    Other disorders of middle ear mastoid
Approximate Synonyms
  • Ossicular erosion
ICD-10-CM H74.329 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 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 H74.329 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
ICD-10-CM Codes Adjacent To H74.329
H74.3 Other acquired abnormalities of ear ossicles
H74.31 Ankylosis of ear ossicles
H74.311 …… right ear
H74.312 …… left ear
H74.313 …… bilateral
H74.319 …… unspecified ear
H74.32 Partial loss of ear ossicles
H74.321 …… right ear
H74.322 …… left ear
H74.323 …… bilateral
H74.329 …… unspecified ear
H74.39 Other acquired abnormalities of ear ossicles
H74.391 Other acquired abnormalities of right ear ossicles
H74.392 Other acquired abnormalities of left ear ossicles
H74.393 …… bilateral
H74.399 …… unspecified ear
H74.4 Polyp of middle ear
H74.40 …… unspecified ear
H74.41 Polyp of right middle ear
H74.42 Polyp of left middle ear
H74.43 …… bilateral

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