H91.9
Non-billableUnspecified hearing loss
Unspecified 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
- Deafness NOS
- High frequency deafness
- Low frequency deafness
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(63)
UMLS
- CophosisC0011053
- DeafnessC0011053
- Deafness NOSC0011053
- Loss of hearingC0011053
- No hearingC0011053
- SurdityC0011053
- Unspecified deafnessC0011053
- deafnessC0011053
- deafness degreeC0011053
- ear deafnessC0011053
- hear lossC0011053
- hearing lossC0011053
- hearing lossesC0011053
- loss hearingC0011053
- Decreased hearingC1384666
- Decreased hearing (finding)C1384666
- Difficulty hearingC1384666
- HI - Hearing impairmentC1384666
- HL - Hearing lossC1384666
- HOH - Hard of hearingC1384666
- Hard of hearingC1384666
- Hearing ImpairmentC1384666
- Hearing LossC1384666
- Hearing decreasedC1384666
- Hearing defectC1384666
- Hearing deficitC1384666
- Hearing deficitsC1384666
- Hearing impairedC1384666
- Hearing impairmentC1384666
- Hearing lossC1384666
- Hearing loss (disorder)C1384666
- Hearing lossesC1384666
- Hearing reducedC1384666
- HypacusisC1384666
- HypoacusesC1384666
- HypoacusisC1384666
- Impaired hearingC1384666
- Loss, HearingC1384666
- Unspecified hearing lossC1384666
- hearing impairedC1384666
- hearing impairmentC1384666
- hearing impairmentsC1384666
- impaired hearingC1384666
- Hearing Loss, High FrequencyC0018780
- Hearing Loss, High-FrequencyC0018780
- Hearing loss, high-frequencyC0018780
- High Frequency DeafnessC0018780
- High Frequency Hearing LossC0018780
- High frequency deafnessC0018780
- High frequency hearing lossC0018780
- High-Frequency Hearing LossC0018780
- High-frequency deafnessC0018780
- High-frequency hearing impairmentC0018780
- Progressive high frequency hearing lossC0018780
- Progressive high-frequency hearing lossC0018780
- frequencies hearing high lossC0018780
- frequency hearing high lossC0018780
- high frequency deafnessC0018780
- high frequency hearing lossC0018780
- Low Frequency DeafnessC0271514
- Low Frequency Hearing LossC0271514
- Low frequency deafnessC0271514
- Low-frequency hearing lossC0271514
Frequently Asked Questions
What is the ICD-10 code for unspecified hearing loss?
The ICD-10-CM code for unspecified hearing loss is H91.9. The full clinical description is "Unspecified hearing loss". H91.9 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H91.9 mean?
ICD-10-CM code H91.9 represents “Unspecified 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 H91.9 a billable code?
No, H91.9 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 H91.9.
What chapter is H91.9 in?
H91.9 is in Chapter 8: Diseases of the Ear and Mastoid Process (codes H60-H95).
What codes cannot be used with H91.9?
H91.9 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 H91.9?
H91.9 has 4 child codes, including: H91.90 (Unspecified hearing loss, unspecified ear), H91.91 (Unspecified hearing loss, right ear), H91.92 (Unspecified hearing loss, left ear), H91.93 (Unspecified hearing loss, bilateral).
What are the UMLS CUIs for H91.9?
H91.9 is linked to 4 UMLS Concept Unique Identifiers: C0011053, C1384666, C0018780, C0271514. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H91.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified 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 H91.9?
H91.9 maps to the ICD-11 code: AB5Z (Disorders with hearing impairment, unspecified).
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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.