U.S. ICD-10-CM · FY 2027

T68 ICD-10-CM Code: Hypothermia

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

T68

Hypothermia

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where T68 sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

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

  3. 3

    Category T68

    Hypothermia

  4. 4

    Code T68

    Hypothermia

More specific choices

Codes under T68

T68 is a non-billable category. Choose the child code that best matches the documented diagnosis.

T68.XXXA

Hypothermia, initial encounter

T68.XXXD

Hypothermia, subsequent encounter

T68.XXXS

Hypothermia, sequela

Documentation details

Notes for this code

Inclusion terms

  • Accidental hypothermia
  • Hypothermia NOS

Code first

No “code first” instruction is listed for T68.

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)

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

  • frostbite (T33-T34)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code T68 mean?

T68 is the FY 2027 U.S. ICD-10-CM code for “Hypothermia.”

Is T68 a billable or specific ICD-10-CM code?

No. T68 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is T68 located in ICD-10-CM?

T68 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Other and unspecified effects of external causes (T66-T78) (T66–T78), under category T68, Hypothermia.

What coding notes are listed for T68?

Its listed inclusion terms are Accidental hypothermia; Hypothermia NOS. No code-first instruction is listed. Additional-code instructions: code to identify source of exposure:; Exposure to excessive cold of man-made origin (W93); Exposure to excessive cold of natural origin (X31). Excludes1 notes: hypothermia following anesthesia (T88.51); hypothermia not associated with low environmental temperature (R68.0); hypothermia of newborn (P80.-). Excludes2 notes: frostbite (T33-T34).

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