H91.2

Non-billable

Sudden idiopathic hearing loss

Sudden idiopathic hearing loss

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

H90-H94

Parent Code

H91

Child Codes

4

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Sudden hearing loss NOS

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • 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-)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)

Child Codes (4)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code H91.2?

ICD-10-CM code H91.2 represents "Sudden idiopathic hearing loss". It is a non-billable header code — use a more specific child code for billing purposes.

Is H91.2 a billable code?

No, H91.2 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under H91.2.

What chapter is H91.2 in?

H91.2 is in Chapter 8: Diseases of the Ear and Mastoid Process (codes H60-H95).

What codes cannot be used with H91.2?

H91.2 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal auditory perception (H93.2-); hearing loss as classified in H90.-; impacted cerumen (H61.2-); and 3 more.

What are the subcategories under H91.2?

H91.2 has 4 child codes, including: H91.20 (Sudden idiopathic hearing loss, unspecified ear), H91.21 (Sudden idiopathic hearing loss, right ear), H91.22 (Sudden idiopathic hearing loss, left ear), H91.23 (Sudden idiopathic hearing loss, bilateral).

What are the UMLS CUIs for H91.2?

H91.2 is linked to 1 UMLS Concept Unique Identifier: C4316900. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.