ICD-10-CM Alphabetic Index · FY 2026 7 Entries

Hallucination in the ICD-10-CM Index ICD-10-CM

The main term Hallucination carries 7 index entries pointing to 4 ICD-10-CM codes. The default entry is R44.3, 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
7
Index Entries
4
Codes Referenced
R44.3
Default Code
H
Letter
7 of 7 shown
ICD-10-CM

Index Entries Under Hallucination 7 entries · 4 codes

Hallucination R44.3
auditory R44.0
gustatory R44.2
olfactory R44.2
specified NEC R44.2
tactile R44.2
visual R44.1

The info icon previews the code's description and billable status; the code link opens its full page with all notations.

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.