H91.2
Non-billableSudden 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.
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)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (4)
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-10 code for sudden idiopathic hearing loss?
The ICD-10-CM code for sudden idiopathic hearing loss is H91.2. The full clinical description is "Sudden idiopathic hearing loss". H91.2 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H91.2 mean?
ICD-10-CM code H91.2 represents “Sudden idiopathic hearing loss”. It is classified under Chapter 8: Diseases of the Ear and Mastoid Process and 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.
How does H91.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like sudden idiopathic hearing loss affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of H91.2?
H91.2 maps to the ICD-11 code: AB55 (Sudden idiopathic hearing loss).
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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.