S40.921A Unspecified superficial injury of right upper arm, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S40.921 with 7th character A (initial encounter).

Applies from S40 Superficial injury of shoulder and upper arm

7th character note

• The appropriate 7th character is to be added to each code from category S40

7th character required

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

Nearby codes

• S40.919A Unspecified superficial injury of unspecified shoulder, initial encounter
• S40.919D Unspecified superficial injury of unspecified shoulder, subsequent encounter
• S40.919S Unspecified superficial injury of unspecified shoulder, sequela
• S40.92 Unspecified superficial injury of upper arm
• S40.921 Unspecified superficial injury of right upper arm
• S40.921A Unspecified superficial injury of right upper arm, initial encounter (this code)
• S40.921D Unspecified superficial injury of right upper arm, subsequent encounter
• S40.921S Unspecified superficial injury of right upper arm, sequela
• S40.922 Unspecified superficial injury of left upper arm
• S40.922A Unspecified superficial injury of left upper arm, initial encounter
• S40.922D Unspecified superficial injury of left upper arm, subsequent encounter