S50.821A Blister (nonthermal) of right forearm, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S50.821 with 7th character A (initial encounter).

Applies from S50 Superficial injury of elbow and forearm

Excludes2 (not included here)

• superficial injury of wrist and hand (S60.-)

7th character note

• The appropriate 7th character is to be added to each code from category S50

7th character required

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

Nearby codes

• S50.819A Abrasion of unspecified forearm, initial encounter
• S50.819D Abrasion of unspecified forearm, subsequent encounter
• S50.819S Abrasion of unspecified forearm, sequela
• S50.82 Blister (nonthermal) of forearm
• S50.821 Blister (nonthermal) of right forearm
• S50.821A Blister (nonthermal) of right forearm, initial encounter (this code)
• S50.821D Blister (nonthermal) of right forearm, subsequent encounter
• S50.821S Blister (nonthermal) of right forearm, sequela
• S50.822 Blister (nonthermal) of left forearm
• S50.822A Blister (nonthermal) of left forearm, initial encounter
• S50.822D Blister (nonthermal) of left forearm, subsequent encounter