S40.861A Insect bite (nonvenomous) of right upper arm, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S40.861 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

• S40.859A Superficial foreign body of unspecified upper arm, initial encounter
• S40.859D Superficial foreign body of unspecified upper arm, subsequent encounter
• S40.859S Superficial foreign body of unspecified upper arm, sequela
• S40.86 Insect bite (nonvenomous) of upper arm
• S40.861 Insect bite (nonvenomous) of right upper arm
• S40.861A Insect bite (nonvenomous) of right upper arm, initial encounter (this code)
• S40.861D Insect bite (nonvenomous) of right upper arm, subsequent encounter
• S40.861S Insect bite (nonvenomous) of right upper arm, sequela
• S40.862 Insect bite (nonvenomous) of left upper arm
• S40.862A Insect bite (nonvenomous) of left upper arm, initial encounter
• S40.862D Insect bite (nonvenomous) of left upper arm, subsequent encounter