ICD-10-CM T67: Effects of heat and light

ICD-10-CM Diagnosis Code (2025)

Official Description for T67

Effects of heat and light

Coding Notes & Guidelines for T67

Excludes1: Not Coded Here
  • erythema [dermatitis] ab igne (L59.0)
  • malignant hyperpyrexia due to anesthesia (T88.3)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
Excludes1: Not Coded Here

heat exhaustion due to salt depletion (T67.4)

Excludes2: Not Included Here
  • burns (T20-T31)
  • sunburn (L55.-)
  • sweat disorder due to heat (L74-L75)
Use Additional Code
  • code(s) to identify any associated complications of heatstroke, such as:
  • coma and stupor (R40.-)
  • rhabdomyolysis (M62.82)
  • systemic inflammatory response syndrome (R65.1-)
Inclusion Terms
  • Heat apoplexy
  • Heat pyrexia
  • Siriasis
  • Thermoplegia
Inclusion Terms

Heat collapse

Inclusion Terms

Heat prostration due to water depletion

Inclusion Terms

Heat prostration due to salt (and water) depletion

Inclusion Terms

Heat prostration NOS

7th Character Guidance

The appropriate 7th character is to be added to each code from category T67

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for T67):

T67.0 - Heatstroke and sunstroke 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

About ICD-10-CM Code T67 (Effects of heat and light)

ICD-10-CM code T67 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T67 became effective on October 1, 2024.

This page provides detailed information about T67 - Effects of heat and light. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Effects of heat and light.