ICD-10-CM 2027
ICD-10 code for stroke heat
From the official ICD-10-CM alphabetic index entry “Heat (effects) › stroke”. Page updated September 29, 2026.
About coding stroke heat
The ICD-10-CM code for stroke heat is T67.01 (Heatstroke and sunstroke). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on T67.01.
Within T67.0 (heatstroke and sunstroke), T67.01 is specifically for heatstroke and sunstroke. Related codes cover exertional heatstroke (T67.02) and other heatstroke and sunstroke (T67.09).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It was added in FY2020, effective October 1, 2019.
More specific stroke heat codes (official index)
Common questions about stroke heat ICD-10 codes
What is the ICD-10 code for stroke heat?
- T67.01 — Heatstroke and sunstroke (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: T67.02, T67.09.
What is the ICD-10 code for exertional stroke heat?
- T67.02 — Exertional heatstroke (header code; choose a more specific subcode).
Is T67.01 billable?
- No. T67.01 is a header code. Report one of its more specific subcodes instead.