ICD-10-CM category
T67: Effects of heat and light
Codes under T67 (Effects of heat and light). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| T67.0 | Heatstroke and sunstroke | — |
| T67.0 | Heatstroke and sunstroke | — |
| T67.01 | Heatstroke and sunstroke | — |
| T67.01 | Heatstroke and sunstroke | — |
| T67.1 | Heat syncope | — |
| T67.1 | Heat syncope | — |
| T67.01XA | Heatstroke and sunstroke, initial encounter | ✓ |
| T67.01XA | Heatstroke and sunstroke, initial encounter | ✓ |
| T67.01XD | Heatstroke and sunstroke, subsequent encounter | ✓ |
| T67.01XD | Heatstroke and sunstroke, subsequent encounter | ✓ |
| T67.01XS | Heatstroke and sunstroke, sequela | ✓ |
| T67.01XS | Heatstroke and sunstroke, sequela | ✓ |
| T67.1XXA | Heat syncope, initial encounter | ✓ |
| T67.1XXA | Heat syncope, initial encounter | ✓ |
| T67.1XXD | Heat syncope, subsequent encounter | ✓ |
| T67.1XXD | Heat syncope, subsequent encounter | ✓ |
| T67.1XXS | Heat syncope, sequela | ✓ |
| T67.1XXS | Heat syncope, sequela | ✓ |
| T67.02 | Exertional heatstroke | — |
| T67.02 | Exertional heatstroke | — |
| T67.2 | Heat cramp | — |
| T67.2 | Heat cramp | — |
| T67.02XA | Exertional heatstroke, initial encounter | ✓ |
| T67.02XA | Exertional heatstroke, initial encounter | ✓ |
| T67.02XD | Exertional heatstroke, subsequent encounter | ✓ |
| T67.02XD | Exertional heatstroke, subsequent encounter | ✓ |
| T67.02XS | Exertional heatstroke, sequela | ✓ |
| T67.02XS | Exertional heatstroke, sequela | ✓ |
| T67.2XXA | Heat cramp, initial encounter | ✓ |
| T67.2XXA | Heat cramp, initial encounter | ✓ |
| T67.2XXD | Heat cramp, subsequent encounter | ✓ |
| T67.2XXD | Heat cramp, subsequent encounter | ✓ |
| T67.2XXS | Heat cramp, sequela | ✓ |
| T67.2XXS | Heat cramp, sequela | ✓ |
| T67.3 | Heat exhaustion, anhydrotic | — |
| T67.3 | Heat exhaustion, anhydrotic | — |
| T67.3XXA | Heat exhaustion, anhydrotic, initial encounter | ✓ |
| T67.3XXA | Heat exhaustion, anhydrotic, initial encounter | ✓ |
| T67.3XXD | Heat exhaustion, anhydrotic, subsequent encounter | ✓ |
| T67.3XXD | Heat exhaustion, anhydrotic, subsequent encounter | ✓ |
| T67.3XXS | Heat exhaustion, anhydrotic, sequela | ✓ |
| T67.3XXS | Heat exhaustion, anhydrotic, sequela | ✓ |
| T67.4 | Heat exhaustion due to salt depletion | — |
| T67.4 | Heat exhaustion due to salt depletion | — |
| T67.4XXA | Heat exhaustion due to salt depletion, initial encounter | ✓ |
| T67.4XXA | Heat exhaustion due to salt depletion, initial encounter | ✓ |
| T67.4XXD | Heat exhaustion due to salt depletion, subsequent encounter | ✓ |
| T67.4XXD | Heat exhaustion due to salt depletion, subsequent encounter | ✓ |
| T67.4XXS | Heat exhaustion due to salt depletion, sequela | ✓ |
| T67.4XXS | Heat exhaustion due to salt depletion, sequela | ✓ |
| T67.5 | Heat exhaustion, unspecified | — |
| T67.5 | Heat exhaustion, unspecified | — |
| T67.5XXA | Heat exhaustion, unspecified, initial encounter | ✓ |
| T67.5XXA | Heat exhaustion, unspecified, initial encounter | ✓ |
| T67.5XXD | Heat exhaustion, unspecified, subsequent encounter | ✓ |
| T67.5XXD | Heat exhaustion, unspecified, subsequent encounter | ✓ |
| T67.5XXS | Heat exhaustion, unspecified, sequela | ✓ |
| T67.5XXS | Heat exhaustion, unspecified, sequela | ✓ |
| T67.6 | Heat fatigue, transient | — |
| T67.6 | Heat fatigue, transient | — |
| T67.6XXA | Heat fatigue, transient, initial encounter | ✓ |
| T67.6XXA | Heat fatigue, transient, initial encounter | ✓ |
| T67.6XXD | Heat fatigue, transient, subsequent encounter | ✓ |
| T67.6XXD | Heat fatigue, transient, subsequent encounter | ✓ |
| T67.6XXS | Heat fatigue, transient, sequela | ✓ |
| T67.6XXS | Heat fatigue, transient, sequela | ✓ |
| T67.7 | Heat edema | — |
| T67.7 | Heat edema | — |
| T67.7XXA | Heat edema, initial encounter | ✓ |
| T67.7XXA | Heat edema, initial encounter | ✓ |
| T67.7XXD | Heat edema, subsequent encounter | ✓ |
| T67.7XXD | Heat edema, subsequent encounter | ✓ |
| T67.7XXS | Heat edema, sequela | ✓ |
| T67.7XXS | Heat edema, sequela | ✓ |
| T67.8 | Other effects of heat and light | — |
| T67.8 | Other effects of heat and light | — |
| T67.8XXA | Other effects of heat and light, initial encounter | ✓ |
| T67.8XXA | Other effects of heat and light, initial encounter | ✓ |
| T67.8XXD | Other effects of heat and light, subsequent encounter | ✓ |
| T67.8XXD | Other effects of heat and light, subsequent encounter | ✓ |
| T67.8XXS | Other effects of heat and light, sequela | ✓ |
| T67.8XXS | Other effects of heat and light, sequela | ✓ |
| T67.09 | Other heatstroke and sunstroke | — |
| T67.09 | Other heatstroke and sunstroke | — |
| T67.9 | Effect of heat and light, unspecified | — |
| T67.9 | Effect of heat and light, unspecified | — |
| T67.09XA | Other heatstroke and sunstroke, initial encounter | ✓ |
| T67.09XA | Other heatstroke and sunstroke, initial encounter | ✓ |
| T67.09XD | Other heatstroke and sunstroke, subsequent encounter | ✓ |
| T67.09XD | Other heatstroke and sunstroke, subsequent encounter | ✓ |
| T67.09XS | Other heatstroke and sunstroke, sequela | ✓ |
| T67.09XS | Other heatstroke and sunstroke, sequela | ✓ |
| T67.9XXA | Effect of heat and light, unspecified, initial encounter | ✓ |
| T67.9XXA | Effect of heat and light, unspecified, initial encounter | ✓ |
| T67.9XXD | Effect of heat and light, unspecified, subsequent encounter | ✓ |
| T67.9XXD | Effect of heat and light, unspecified, subsequent encounter | ✓ |
| T67.9XXS | Effect of heat and light, unspecified, sequela | ✓ |
| T67.9XXS | Effect of heat and light, unspecified, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code T67?
T67 is an ICD-10-CM category covering Effects of heat and light. It contains 98 more specific diagnosis codes, 72 of which are billable.
Is T67 a billable code?
No — T67 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example T67.0 — Heatstroke and sunstroke). 72 of the 98 codes under T67 are billable.
What codes fall under T67?
T67 includes T67.0, T67.0, T67.01, T67.01, T67.1, plus 93 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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