ICD-10-CM Alphabetic Index · FY 2026 61 Entries
Frostbite in the ICD-10-CM Index ICD-10-CM
The main term Frostbite (superficial) carries 61 index entries pointing to 34 ICD-10-CM codes. The default entry is T33.90, 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
61
Index Entries
34
Codes Referenced
T33.90
Default Code
F
Letter
61 of 61 shown
ICD-10-CM
Index Entries Under Frostbite 61 entries · 34 codes
Frostbite (superficial) T33.90 Non-billable
with
partial thickness skin loss see Frostbite (superficial), by site
tissue necrosis T34.90 Non-billable
abdominal wall T33.3 Non-billable
with tissue necrosis T34.3 Non-billable
ankle T33.81- Non-billable
with tissue necrosis T34.81- Non-billable
arm T33.4- Non-billable
with tissue necrosis T34.4- Non-billable
finger (s) see Frostbite, finger
hand see Frostbite, hand
wrist see Frostbite, wrist
ear T33.01- Non-billable
with tissue necrosis T34.01- Non-billable
face T33.09 Non-billable
with tissue necrosis T34.09 Non-billable
finger T33.53- Non-billable
with tissue necrosis T34.53- Non-billable
foot T33.82- Non-billable
with tissue necrosis T34.82- Non-billable
hand T33.52- Non-billable
with tissue necrosis T34.52- Non-billable
head T33.09 Non-billable
with tissue necrosis T34.09 Non-billable
ear see Frostbite, ear
nose see Frostbite, nose
hip (and thigh) T33.6- Non-billable
with tissue necrosis T34.6- Non-billable
knee T33.7- Non-billable
with tissue necrosis T34.7- Non-billable
leg T33.99 Non-billable
ankle see Frostbite, ankle
foot see Frostbite, foot
knee see Frostbite, knee
lower T33.7- Non-billable
with tissue necrosis T34.7- Non-billable
thigh see Frostbite, hip
toe see Frostbite, toe
limb
lower T33.99 Non-billable
with tissue necrosis T34.99 Non-billable
upper see Frostbite, arm
neck T33.1 Non-billable
with tissue necrosis T34.1 Non-billable
nose T33.02 Non-billable
with tissue necrosis T34.02 Non-billable
pelvis T33.3 Non-billable
with tissue necrosis T34.3 Non-billable
specified site NEC T33.99 Non-billable
with tissue necrosis T34.99 Non-billable
thigh see Frostbite, hip
thorax T33.2 Non-billable
with tissue necrosis T34.2 Non-billable
toes T33.83- Non-billable
with tissue necrosis T34.83- Non-billable
trunk T33.99 Non-billable
with tissue necrosis T34.99 Non-billable
wrist T33.51- Non-billable
with tissue necrosis T34.51- Non-billable
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.
