S20.324D Blister (nonthermal) of middle front wall of thorax, subsequent encounter

Billable ICD-10-CM code, FY2026.

Built from S20.324 with 7th character D (subsequent 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

• S20.323A Blister (nonthermal) of bilateral front wall of thorax, initial encounter
• S20.323D Blister (nonthermal) of bilateral front wall of thorax, subsequent encounter
• S20.323S Blister (nonthermal) of bilateral front wall of thorax, sequela
• S20.324 Blister (nonthermal) of middle front wall of thorax
• S20.324A Blister (nonthermal) of middle front wall of thorax, initial encounter
• S20.324D Blister (nonthermal) of middle front wall of thorax, subsequent encounter (this code)
• S20.324S Blister (nonthermal) of middle front wall of thorax, sequela
• S20.329 Blister (nonthermal) of unspecified front wall of thorax
• S20.329A Blister (nonthermal) of unspecified front wall of thorax, initial encounter
• S20.329D Blister (nonthermal) of unspecified front wall of thorax, subsequent encounter
• S20.329S Blister (nonthermal) of unspecified front wall of thorax, sequela