S20.371A Other superficial bite of right front wall of thorax, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S20.371 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

Applies from S20.37 Other superficial bite of front wall of thorax

Excludes1 (never code together)

• open bite of front wall of thorax (S21.14)

Code annotations containing back-references to S20.371A

Back-references to S20.37

• Type 1 Excludes: S21.15 Open bite of front wall of thorax without penetration into thoracic cavity ("superficial bite of front wall of thorax (S20.37)")
• Type 1 Excludes: S21.35 Open bite of front wall of thorax with penetration into thoracic cavity ("superficial bite of front wall of thorax (S20.37)")

Nearby codes

• S20.369A Insect bite (nonvenomous) of unspecified front wall of thorax, initial encounter
• S20.369D Insect bite (nonvenomous) of unspecified front wall of thorax, subsequent encounter
• S20.369S Insect bite (nonvenomous) of unspecified front wall of thorax, sequela
• S20.37 Other superficial bite of front wall of thorax
• S20.371 Other superficial bite of right front wall of thorax
• S20.371A Other superficial bite of right front wall of thorax, initial encounter (this code)
• S20.371D Other superficial bite of right front wall of thorax, subsequent encounter
• S20.371S Other superficial bite of right front wall of thorax, sequela
• S20.372 Other superficial bite of left front wall of thorax
• S20.372A Other superficial bite of left front wall of thorax, initial encounter
• S20.372D Other superficial bite of left front wall of thorax, subsequent encounter