T67.6XXA✓ Billable
Heat fatigue, transient, initial encounter
Code Hierarchy
┌19Injury, 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
└T67.6XXAHeat fatigue, transient, initial encounter
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