H91
⚠ Non-billable
Other and unspecified hearing loss
ICD-10-CM · FY2026 · Diseases of the Ear and Mastoid Process
Code
H91
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Ear and Mastoid Process
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- 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-)
Frequently asked questions
What is ICD-10 code H91?
ICD-10-CM code H91 represents Other and unspecified hearing loss. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Ear and Mastoid Process chapter, effective October 1, 2025 – September 30, 2026.
Is H91 billable?
No. H91 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is H91 in?
H91 belongs to the Diseases of the Ear and Mastoid Process chapter (H60–H95) of ICD-10-CM.
Related codes in the H91 category
H91.0
Ototoxic hearing loss
Non-billable
H91.1
Presbycusis
Non-billable
H91.2
Sudden idiopathic hearing loss
Non-billable
H91.3
Deaf nonspeaking, not elsewhere classified
Billable
H91.8
Other specified hearing loss
Non-billable
H91.9
Unspecified hearing loss
Non-billable
H91.01
Ototoxic hearing loss, right ear
Billable
H91.02
Ototoxic hearing loss, left ear
Billable
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