X78.1 Intentional self-harm by knife

Non-billable ICD-10-CM code.

Applies from X78 Intentional self-harm by sharp object

7th character note

• The appropriate 7th character is to be added to each code from category X78

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Diagnosis Index entries for X78.1

• Contact (accidental) › with › knife › suicide (attempt)
• Suicide, suicidal (attempted) (by) › cutting or piercing instrument › knife

Nearby codes

• X78 Intentional self-harm by sharp object
• X78.0 Intentional self-harm by sharp glass
• X78.0XXA Intentional self-harm by sharp glass, initial encounter
• X78.0XXD Intentional self-harm by sharp glass, subsequent encounter
• X78.0XXS Intentional self-harm by sharp glass, sequela
• X78.1 Intentional self-harm by knife (this code)
• X78.1XXA Intentional self-harm by knife, initial encounter
• X78.1XXD Intentional self-harm by knife, subsequent encounter
• X78.1XXS Intentional self-harm by knife, sequela
• X78.2 Intentional self-harm by sword or dagger
• X78.2XXA Intentional self-harm by sword or dagger, initial encounter