ED Coding and Reimbursement Alert

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Heatstroke and ICD-10 Codes

Question: A patient reported to the ED suffering from exertional heatstroke they suffered while playing in a baseball game. What diagnosis code(s) should I report for this patient?

Florida Subscriber

Answer: Report T67.02XA (Exertional heatstroke, initial encounter) for the heatstroke. Also, include Y93.64 (Activity, baseball) as a secondary diagnosis to indicate the activity the patient was engaged in when heatstroke occurred.

More on heatstroke and sunstroke: The ICD-10 code set for conditions related to heatstroke and sunstroke is surprisingly deep. Here are all of the codes listed under the T67.0- (Heatstroke and sunstroke) heading:

  • T67.01- (Heatstroke and sunstroke)
  • T67.02- (Exertional heatstroke)
  • T67.09- (Other heatstroke and sunstroke)
  • T67.1- (Heat syncope)
  • T67.2- (Heat cramp)
  • T67.3- (Heat exhaustion, anhydrotic)
  • T67.4- (Heat exhaustion due to salt depletion)
  • T67.5- (Heat exhaustion, unspecified)
  • T67.6- (Heat fatigue, transient)
  • T67.7- (Heat edema)
  • T67.8- (Other effects of heat and light)
  • T67.9- (Effect of heat and light, unspecified).