S20.309A Unspecified superficial injuries of unspecified front wall of thorax, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S20.309 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

• S20.304 Unspecified superficial injuries of middle front wall of thorax
• S20.304A Unspecified superficial injuries of middle front wall of thorax, initial encounter
• S20.304D Unspecified superficial injuries of middle front wall of thorax, subsequent encounter
• S20.304S Unspecified superficial injuries of middle front wall of thorax, sequela
• S20.309 Unspecified superficial injuries of unspecified front wall of thorax
• S20.309A Unspecified superficial injuries of unspecified front wall of thorax, initial encounter (this code)
• S20.309D Unspecified superficial injuries of unspecified front wall of thorax, subsequent encounter
• S20.309S Unspecified superficial injuries of unspecified front wall of thorax, sequela
• S20.31 Abrasion of front wall of thorax
• S20.311 Abrasion of right front wall of thorax
• S20.311A Abrasion of right front wall of thorax, initial encounter