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ICD-10-CM 2027

ICD-10 code for heat apoplexia

T67.01

Heatstroke and sunstroke

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Apoplexia, apoplexy, apoplectic › heat”. Page updated September 29, 2026.

About coding heat apoplexia

The ICD-10-CM code for heat apoplexia is T67.01 (Heatstroke and sunstroke).

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.

Common questions about heat apoplexia ICD-10 codes

What is the ICD-10 code for heat apoplexia?

T67.01 — Heatstroke and sunstroke (a header code; report a more specific subcode).

Is T67.01 billable?

No. T67.01 is a header code. Report one of its more specific subcodes instead.