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.XXXA | Exposure to smoke, fire and flames, undetermined intent, initial encounter | ✓ |
| Y26.XXXD | Exposure to smoke, fire and flames, undetermined intent, subsequent encounter | ✓ |
| Y26.XXXD | Exposure to smoke, fire and flames, undetermined intent, subsequent encounter | ✓ |
| Y26.XXXS | Exposure to smoke, fire and flames, undetermined intent, sequela | ✓ |
| Y26.XXXS | Exposure to smoke, fire and flames, undetermined intent, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code Y26?
Y26 is an ICD-10-CM category covering Exposure to smoke, fire and flames, undetermined intent. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is Y26 a billable code?
No — Y26 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 Y26.XXXA — Exposure to smoke, fire and flames, undetermined intent, initial encounter). 6 of the 6 codes under Y26 are billable.
What codes fall under Y26?
Y26 includes Y26.XXXA, Y26.XXXA, Y26.XXXD, Y26.XXXD, Y26.XXXS, plus 1 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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