W10: Fall on and from stairs and steps

Codes under W10 (Fall on and from stairs and steps). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
W10.0	Fall (on)(from) escalator	—
W10.0XXA	Fall (on)(from) escalator, initial encounter	✓
W10.0XXD	Fall (on)(from) escalator, subsequent encounter	✓
W10.0XXS	Fall (on)(from) escalator, sequela	✓
W10.1	Fall (on)(from) sidewalk curb	—
W10.1XXA	Fall (on)(from) sidewalk curb, initial encounter	✓
W10.1XXD	Fall (on)(from) sidewalk curb, subsequent encounter	✓
W10.1XXS	Fall (on)(from) sidewalk curb, sequela	✓
W10.2	Fall (on)(from) incline	—
W10.2XXA	Fall (on)(from) incline, initial encounter	✓
W10.2XXD	Fall (on)(from) incline, subsequent encounter	✓
W10.2XXS	Fall (on)(from) incline, sequela	✓
W10.8	Fall (on) (from) other stairs and steps	—
W10.8XXA	Fall (on) (from) other stairs and steps, initial encounter	✓
W10.8XXD	Fall (on) (from) other stairs and steps, subsequent encounter	✓
W10.8XXS	Fall (on) (from) other stairs and steps, sequela	✓
W10.9	Fall (on) (from) unspecified stairs and steps	—
W10.9XXA	Fall (on) (from) unspecified stairs and steps, initial encounter	✓
W10.9XXD	Fall (on) (from) unspecified stairs and steps, subsequent encounter	✓
W10.9XXS	Fall (on) (from) unspecified stairs and steps, 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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