Y28: Contact with sharp object, undetermined intent

Codes under Y28 (Contact with sharp object, undetermined intent). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
Y28.0	Contact with sharp glass, undetermined intent	—
Y28.0XXA	Contact with sharp glass, undetermined intent, initial encounter	✓
Y28.0XXD	Contact with sharp glass, undetermined intent, subsequent encounter	✓
Y28.0XXS	Contact with sharp glass, undetermined intent, sequela	✓
Y28.1	Contact with knife, undetermined intent	—
Y28.1XXA	Contact with knife, undetermined intent, initial encounter	✓
Y28.1XXD	Contact with knife, undetermined intent, subsequent encounter	✓
Y28.1XXS	Contact with knife, undetermined intent, sequela	✓
Y28.2	Contact with sword or dagger, undetermined intent	—
Y28.2XXA	Contact with sword or dagger, undetermined intent, initial encounter	✓
Y28.2XXD	Contact with sword or dagger, undetermined intent, subsequent encounter	✓
Y28.2XXS	Contact with sword or dagger, undetermined intent, sequela	✓
Y28.8	Contact with other sharp object, undetermined intent	—
Y28.8XXA	Contact with other sharp object, undetermined intent, initial encounter	✓
Y28.8XXD	Contact with other sharp object, undetermined intent, subsequent encounter	✓
Y28.8XXS	Contact with other sharp object, undetermined intent, sequela	✓
Y28.9	Contact with unspecified sharp object, undetermined intent	—
Y28.9XXA	Contact with unspecified sharp object, undetermined intent, initial encounter	✓
Y28.9XXD	Contact with unspecified sharp object, undetermined intent, subsequent encounter	✓
Y28.9XXS	Contact with unspecified sharp object, 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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