ICD-10-CM Alphabetic Index · FY 2026 68 Entries
Insomnia in the ICD-10-CM Index ICD-10-CM
The main term Insomnia (organic) carries 68 index entries pointing to 33 ICD-10-CM codes. The default entry is G47.00, 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
68
Index Entries
33
Codes Referenced
G47.00
Default Code
I
Letter
68 of 68 shown
ICD-10-CM
Index Entries Under Insomnia 68 entries · 33 codes
Insomnia (organic) G47.00
adjustment F51.02
adjustment disorder F51.02
behavioral, of childhood Z73.819
combined type Z73.812
limit setting type Z73.811
sleep-onset association type Z73.810
childhood Z73.819
chronic F51.04
somatized tension F51.04
conditioned F51.04
due to
alcohol
abuse F10.182
dependence F10.282
use F10.982
amphetamines
abuse F15.182
dependence F15.282
use F15.982
anxiety disorder F51.05
caffeine
abuse F15.182
dependence F15.282
use F15.982
cocaine
abuse F14.182
dependence F14.282
use F14.982
depression F51.05
drug NEC
abuse F19.182
dependence F19.282
use F19.982
medical condition G47.01
mental disorder NEC F51.05
opioid
abuse F11.182
dependence F11.282
use F11.982
psychoactive substance NEC
abuse F19.182
dependence F19.282
use F19.982
sedative, hypnotic, or anxiolytic
abuse F13.182
dependence F13.282
use F13.982
stimulant NEC
abuse F15.182
dependence F15.282
use F15.982
fatal familial (FFI) A81.83
idiopathic F51.01
learned F51.3
nonorganic origin F51.01
not due to a substance or known physiological condition F51.01
specified NEC F51.09
paradoxical F51.03
primary F51.01
psychiatric F51.05
psychophysiologic F51.04
short-term F51.02
specified NEC G47.09
transient F51.02
without objective findings F51.02
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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.
