S20.479A Other superficial bite of unspecified back wall of thorax, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S20.479 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 S20.47 Other superficial bite of back wall of thorax

Excludes1 (never code together)

• open bite of back wall of thorax (S21.24)

Code annotations containing back-references to S20.479A

Back-references to S20.47

• Type 1 Excludes: S21.25 Open bite of back wall of thorax without penetration into thoracic cavity ("superficial bite of back wall of thorax (S20.47)")
• Type 1 Excludes: S21.45 Open bite of back wall of thorax with penetration into thoracic cavity ("superficial bite of back wall of thorax (S20.47)")

Nearby codes

• S20.472 Other superficial bite of left back wall of thorax
• S20.472A Other superficial bite of left back wall of thorax, initial encounter
• S20.472D Other superficial bite of left back wall of thorax, subsequent encounter
• S20.472S Other superficial bite of left back wall of thorax, sequela
• S20.479 Other superficial bite of unspecified back wall of thorax
• S20.479A Other superficial bite of unspecified back wall of thorax, initial encounter (this code)
• S20.479D Other superficial bite of unspecified back wall of thorax, subsequent encounter
• S20.479S Other superficial bite of unspecified back wall of thorax, sequela
• S20.9 Superficial injury of unspecified parts of thorax
• S20.90 Unspecified superficial injury of unspecified parts of thorax
• S20.90XA Unspecified superficial injury of unspecified parts of thorax, initial encounter