ICD-10-CM Alphabetic Index · FY 2026 48 Entries
Deafness in the ICD-10-CM Index ICD-10-CM
The main term Deafness (acquired) (complete) (hereditary) (partial) carries 48 index entries pointing to 21 ICD-10-CM codes. The default entry is H91.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
48
Index Entries
21
Codes Referenced
H91.9
Default Code
D
Letter
48 of 48 shown
ICD-10-CM
Index Entries Under Deafness 48 entries · 21 codes
Deafness (acquired) (complete) (hereditary) (partial) H91.9 Non-billable
with blue sclera and fragility of bone Q78.0
auditory fatigue see Deafness, specified type NEC
aviation T70.0 Non-billable
nerve injury see Injury, nerve, acoustic, specified type NEC
boilermaker's
central see Deafness, sensorineural
conductive H90.2
and sensorineural
mixed H90.8
bilateral H90.6
bilateral H90.0
unilateral H90.1 Non-billable
with restricted hearing on the contralateral side H90.A Non-billable
congenital H90.5
with blue sclera and fragility of bone Q78.0
due to toxic agents see Deafness, ototoxic
emotional (hysterical) F44.6
functional (hysterical) F44.6
high frequency H91.9 Non-billable
hysterical F44.6
low frequency H91.9 Non-billable
mental R48.8
mixed conductive and sensorineural H90.8
bilateral H90.6
unilateral H90.7 Non-billable
nerve see Deafness, sensorineural
neural see Deafness, sensorineural
nerve injury see Injury, nerve, acoustic, specified type NEC
nonspeaking H91.3
ototoxic
perceptive see Deafness, sensorineural
psychogenic (hysterical) F44.6
sensorineural H90.5
and conductive
mixed H90.8
bilateral H90.6
bilateral H90.3
unilateral H90.4 Non-billable
with restricted hearing on the contralateral side H90.A Non-billable
sensory see Deafness, sensorineural
specified type NEC
sudden (idiopathic) H91.2 Non-billable
syphilitic A52.15
transient ischemic H93.01 Non-billable
traumatic see Injury, nerve, acoustic, specified type NEC
word (developmental) H93.25
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
