T67.01

Billable

ChapterS00–T88

Ranksubcategory

Official Description

Heatstroke and sunstroke

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Includes

Heat apoplexy
Heat pyrexia
Siriasis
Thermoplegia

General instructions are available for the parent sections:

View CH19 Notes View T66-T78 Notes View T67 Notes View T67.0 Notes

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)

T66-T78Other and unspecified effects of external causes (T66-T78)

T67Effects of heat and light

T67.0Heatstroke and sunstroke

T67.01Heatstroke and sunstroke

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T67.01:

subcategoryT67.0

Heatstroke and sunstroke

View context instructions

categoryT67

Effects of heat and light

View context instructions

blockT66-T78

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

View context instructions

chapterCH19

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

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to T67.01. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

19 raw paths

Apoplexia, apoplexy, apoplectic1 unique routes

heat→T67.01

Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)3 unique routes

due to

heat→T67.01

heat (effects)→T67.01

thermic→T67.01

Heat (effects)5 unique routes

apoplexy→T67.01

fever→T67.01

hyperpyrexia→T67.01