2020 ICD-10-CM Diagnosis Code H91.2

Sudden idiopathic hearing loss

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • H91.2 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 H91.2 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of H91.2 - other international versions of ICD-10 H91.2 may differ.
Applicable To
  • Sudden hearing loss NOS
The following code(s) above H91.2 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 H91.2:
  • 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
  • H91
    ICD-10-CM Diagnosis Code H91

    Other and unspecified hearing loss

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • abnormal auditory perception (H93.2-)
    • hearing loss as classified in H90.-
    • impacted cerumen (H61.2-)
    • noise-induced hearing loss (H83.3-)
    • psychogenic deafness (F44.6)
    • transient ischemic deafness (H93.01-)
    Other and unspecified hearing loss
Clinical Information
  • Sensorineural hearing loss which develops suddenly over a period of hours or a few days. It varies in severity from mild to total deafness. Sudden deafness can be due to head trauma, vascular diseases, infections, or can appear without obvious cause or warning.
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
Code annotations containing back-references to H91.2:
  • Type 1 Excludes: H90
    ICD-10-CM Diagnosis Code H90

    Conductive and sensorineural hearing loss

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • deaf nonspeaking NEC (H91.3)
    • deafness NOS (H91.9-)
    • hearing loss NOS (H91.9-)
    • noise-induced hearing loss (H83.3-)
    • ototoxic hearing loss (H91.0-)
    • sudden (idiopathic) hearing loss (H91.2-)

Diagnosis Index entries containing back-references to H91.2:
  • Deafness (acquired) (complete) (hereditary) (partial) H91.9-
    ICD-10-CM Diagnosis Code H91.9-

    Unspecified hearing loss

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Deafness NOS
    • High frequency deafness
    • Low frequency deafness
    • sudden H91.2- (idiopathic)

ICD-10-CM Codes Adjacent To H91.2
H91.0 Ototoxic hearing loss
H91.01 …… right ear
H91.02 …… left ear
H91.03 …… bilateral
H91.09 …… unspecified ear
H91.1 Presbycusis
H91.10 …… unspecified ear
H91.11 …… right ear
H91.12 …… left ear
H91.13 …… bilateral
H91.2 Sudden idiopathic hearing loss
H91.20 …… unspecified ear
H91.21 …… right ear
H91.22 …… left ear
H91.23 …… bilateral
H91.3 Deaf nonspeaking, not elsewhere classified
H91.8 Other specified hearing loss
H91.8X Other specified hearing loss
H91.8X1 …… right ear
H91.8X2 …… left ear
H91.8X3 …… bilateral

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