S40.242A External constriction of left shoulder, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S40.242 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

• S40.241 External constriction of right shoulder
• S40.241A External constriction of right shoulder, initial encounter
• S40.241D External constriction of right shoulder, subsequent encounter
• S40.241S External constriction of right shoulder, sequela
• S40.242 External constriction of left shoulder
• S40.242A External constriction of left shoulder, initial encounter (this code)
• S40.242D External constriction of left shoulder, subsequent encounter
• S40.242S External constriction of left shoulder, sequela
• S40.249 External constriction of unspecified shoulder
• S40.249A External constriction of unspecified shoulder, initial encounter
• S40.249D External constriction of unspecified shoulder, subsequent encounter