Y26: Exposure to smoke, fire and flames, undetermined intent

Codes under Y26 (Exposure to smoke, fire and flames, undetermined intent). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
Y26.XXXA	Exposure to smoke, fire and flames, undetermined intent, initial encounter	✓
Y26.XXXD	Exposure to smoke, fire and flames, undetermined intent, subsequent encounter	✓
Y26.XXXS	Exposure to smoke, fire and flames, undetermined intent, sequela	✓

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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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