S20.363A Insect bite (nonvenomous) of bilateral front wall of thorax, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S20.363 with 7th character A (initial encounter).

Applies from S20 Superficial injury of thorax

7th character note

• The appropriate 7th character is to be added to each code from category S20

7th character required

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

Nearby codes

• S20.362 Insect bite (nonvenomous) of left front wall of thorax
• S20.362A Insect bite (nonvenomous) of left front wall of thorax, initial encounter
• S20.362D Insect bite (nonvenomous) of left front wall of thorax, subsequent encounter
• S20.362S Insect bite (nonvenomous) of left front wall of thorax, sequela
• S20.363 Insect bite (nonvenomous) of bilateral front wall of thorax
• S20.363A Insect bite (nonvenomous) of bilateral front wall of thorax, initial encounter (this code)
• S20.363D Insect bite (nonvenomous) of bilateral front wall of thorax, subsequent encounter
• S20.363S Insect bite (nonvenomous) of bilateral front wall of thorax, sequela
• S20.364 Insect bite (nonvenomous) of middle front wall of thorax
• S20.364A Insect bite (nonvenomous) of middle front wall of thorax, initial encounter
• S20.364D Insect bite (nonvenomous) of middle front wall of thorax, subsequent encounter