T67.9 Effect of heat and light, unspecified

Non-billable ICD-10-CM code.

Applies from T67 Effects of heat and light

Excludes1 (never code together)

• erythema [dermatitis] ab igne (L59.0)
• malignant hyperpyrexia due to anesthesia (T88.3)
• radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

Excludes2 (not included here)

• burns (T20-T31)
• sunburn (L55.-)
• sweat disorder due to heat (L74-L75)

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to T67.9

Back-references to T67

• Type 1 Excludes: R53.8 Other malaise and fatigue ("exhaustion and fatigue due to heat (T67.-)")

Diagnosis Index entries for T67.9

• Heat (effects)
• Heat (effects) › excessive

Nearby codes

• T67.7XXS Heat edema, sequela
• T67.8 Other effects of heat and light
• T67.8XXA Other effects of heat and light, initial encounter
• T67.8XXD Other effects of heat and light, subsequent encounter
• T67.8XXS Other effects of heat and light, sequela
• T67.9 Effect of heat and light, unspecified (this code)
• T67.9XXA Effect of heat and light, unspecified, initial encounter
• T67.9XXD Effect of heat and light, unspecified, subsequent encounter
• T67.9XXS Effect of heat and light, unspecified, sequela