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ICD-10-CM 2027

ICD-10 code for overexertion

T73.3

Exhaustion due to excessive exertion

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Overexertion (effects) (exhaustion)”. Page updated September 29, 2026.

About coding overexertion

The ICD-10-CM code for overexertion is T73.3 (Exhaustion due to excessive exertion).

Within T73 (effects of other deprivation), T73.3 is specifically for exhaustion due to excessive exertion. Related codes cover Starvation (T73.0), deprivation of water (T73.1), exhaustion due to exposure (T73.2), other effects of deprivation (T73.8) and effect of deprivation, unspecified (T73.9).

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 has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about overexertion ICD-10 codes

What is the ICD-10 code for overexertion?

T73.3 — Exhaustion due to excessive exertion (a header code; report a more specific subcode).

Is T73.3 billable?

No. T73.3 is a header code. Report one of its more specific subcodes instead.