ICD-10-CM Alphabetic Index · FY 2026 42 Entries
Parasomnia in the ICD-10-CM Index ICD-10-CM
The main term Parasomnia carries 42 index entries pointing to 22 ICD-10-CM codes. The default entry is G47.50, 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
42
Index Entries
22
Codes Referenced
G47.50
Default Code
P
Letter
42 of 42 shown
ICD-10-CM
Index Entries Under Parasomnia 42 entries · 22 codes
Parasomnia G47.50
due to
alcohol
abuse F10.182
dependence F10.282
use F10.982
amphetamines
abuse F15.182
dependence F15.282
use F15.982
caffeine
abuse F15.182
dependence F15.282
use F15.982
cocaine
abuse F14.182
dependence F14.282
use F14.982
drug NEC
abuse F19.182
dependence F19.282
use F19.982
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
in conditions classified elsewhere G47.54
nonorganic origin F51.8
organic G47.50
specified NEC G47.59
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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.
