S40.221A Blister (nonthermal) of right shoulder, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S40.221 with 7th character A (initial encounter).

Applies from S40 Superficial injury of shoulder and upper arm

7th character note

• The appropriate 7th character is to be added to each code from category S40

7th character required

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

Nearby codes

• S40.219A Abrasion of unspecified shoulder, initial encounter
• S40.219D Abrasion of unspecified shoulder, subsequent encounter
• S40.219S Abrasion of unspecified shoulder, sequela
• S40.22 Blister (nonthermal) of shoulder
• S40.221 Blister (nonthermal) of right shoulder
• S40.221A Blister (nonthermal) of right shoulder, initial encounter (this code)
• S40.221D Blister (nonthermal) of right shoulder, subsequent encounter
• S40.221S Blister (nonthermal) of right shoulder, sequela
• S40.222 Blister (nonthermal) of left shoulder
• S40.222A Blister (nonthermal) of left shoulder, initial encounter
• S40.222D Blister (nonthermal) of left shoulder, subsequent encounter