W03: Other fall on same level due to collision with another person

Codes under W03 (Other fall on same level due to collision with another person). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
W03.XXXA	Other fall on same level due to collision with another person, initial encounter	✓
W03.XXXD	Other fall on same level due to collision with another person, subsequent encounter	✓
W03.XXXS	Other fall on same level due to collision with another person, 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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