S50.842A External constriction of left forearm, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S50.842 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

• S50.841 External constriction of right forearm
• S50.841A External constriction of right forearm, initial encounter
• S50.841D External constriction of right forearm, subsequent encounter
• S50.841S External constriction of right forearm, sequela
• S50.842 External constriction of left forearm
• S50.842A External constriction of left forearm, initial encounter (this code)
• S50.842D External constriction of left forearm, subsequent encounter
• S50.842S External constriction of left forearm, sequela
• S50.849 External constriction of unspecified forearm
• S50.849A External constriction of unspecified forearm, initial encounter
• S50.849D External constriction of unspecified forearm, subsequent encounter