ICD-10-CM > S00-T88 > T66-T78 > T67 > T67.0 T67.0 Heatstroke and sunstroke Non-Billable/Non-Specific Use Additional code(s) to identify any associated complications of heatstroke, such as:coma and stupor (R40.-)rhabdomyolysis (M62.82)systemic inflammatory response syndrome (R65.1-) Codes T67.01Heatstroke and sunstrokeT67.01XA..., initial encounterT67.01XD..., subsequent encounterT67.01XS..., sequelaT67.02Exertional heatstrokeT67.02XA..., initial encounterT67.02XD..., subsequent encounterT67.02XS..., sequelaT67.09Other heatstroke and sunstrokeT67.09XA..., initial encounterT67.09XD..., subsequent encounterT67.09XS..., sequela