S70.321A Blister (nonthermal), right thigh, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S70.321 with 7th character A (initial encounter).

Applies from S70 Superficial injury of hip and thigh

7th character note

• The appropriate 7th character is to be added to each code from category S70

7th character required

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

Code annotations containing back-references to S70.321A

Back-references to S70

• Type 2 Excludes: S30 Superficial injury of abdomen, lower back, pelvis and external genitals ("superficial injury of hip (S70.-)")

Nearby codes

• S70.319A Abrasion, unspecified thigh, initial encounter
• S70.319D Abrasion, unspecified thigh, subsequent encounter
• S70.319S Abrasion, unspecified thigh, sequela
• S70.32 Blister (nonthermal) of thigh
• S70.321 Blister (nonthermal), right thigh
• S70.321A Blister (nonthermal), right thigh, initial encounter (this code)
• S70.321D Blister (nonthermal), right thigh, subsequent encounter
• S70.321S Blister (nonthermal), right thigh, sequela
• S70.322 Blister (nonthermal), left thigh
• S70.322A Blister (nonthermal), left thigh, initial encounter
• S70.322D Blister (nonthermal), left thigh, subsequent encounter