ICD-10-CM Alphabetic Index · FY 2026 17 Entries
Anesthesia in the ICD-10-CM Index ICD-10-CM
The main term Anesthesia, anesthetic carries 17 index entries pointing to 10 ICD-10-CM codes. The default entry is R20.0, 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
17
Index Entries
10
Codes Referenced
R20.0
Default Code
A
Letter
17 of 17 shown
ICD-10-CM
Index Entries Under Anesthesia 17 entries · 10 codes
Anesthesia, anesthetic R20.0
due to
correct substance properly administered see Table of Drugs and Chemicals, by drug, adverse effect
overdose or wrong substance given see Table of Drugs and Chemicals, by drug, poisoning
unintended awareness under general anesthesia during procedure T88.53 Non-billable
personal history of Z92.84
cornea H18.81- Non-billable
dissociative F44.6
functional (hysterical) F44.6
hyperesthetic, thalamic G89.0
hysterical F44.6
local skin lesion R20.0
sexual (psychogenic) F52.1
shock (due to) T88.2 Non-billable
skin R20.0
testicular N50.9
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.
