T67.0 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
T67.0XXA
Heatstroke and sunstroke, initial encounter
Billable
10
T67.0XXD
Heatstroke and sunstroke, subsequent encounter
Billable
10
T67.0XXS
Heatstroke and sunstroke, sequela
Billable