H91.2
⚠ Non-billable
Sudden idiopathic hearing loss
ICD-10-CM · FY2026 · Diseases of the Ear and Mastoid Process
Code
H91.2
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.
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 requiring a more specific subcategory in the Diseases of the Ear and Mastoid Process chapter, effective October 1, 2025 – September 30, 2026.
Is H91.2 billable?
No. H91.2 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is H91.2 in?
H91.2 belongs to the Diseases of the Ear and Mastoid Process chapter (H60–H95) of ICD-10-CM.
Related codes in the H91 category
H91
Other and unspecified hearing loss
Non-billable
H91.0
Ototoxic hearing loss
Non-billable
H91.1
Presbycusis
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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