ICD-10-CM · Chapter 19 · S00-T88

T68 Hypothermia

Category / Non-billable header

Block: Other and unspecified effects of external causes (T66-T78)

Includes

Accidental hypothermia
Hypothermia NOS

Excludes 1 (cannot be coded together)

hypothermia following anesthesia (T88.51)
hypothermia not associated with low environmental temperature (R68.0)
hypothermia of newborn (P80.-)

Excludes 2 (not included here)

frostbite (T33-T34)

Use Additional Code

code to identify source of exposure:
Exposure to excessive cold of man-made origin (W93)
Exposure to excessive cold of natural origin (X31)

Last reviewed: September 2026