S30.85ASuperficial foreign body of flank

S30.85A is the ICD-10-CM diagnosis code for superficial foreign body of flank. It belongs to category S30 (superficial injury of abdomen, lower back, pelvis and external genitals), block S30-S39 (injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within S30.85 (superficial foreign body of abdomen, lower back, pelvis and external genitals), S30.85A is specifically for superficial foreign body of flank. Related codes cover lower back and pelvis (S30.850), abdominal wall (S30.851), penis (S30.852), scrotum and testes (S30.853), vagina and vulva (S30.854), unspecified external genital organs, male (S30.855), unspecified external genital organs, female (S30.856) and anus (S30.857).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It was added in FY2026, effective October 1, 2025.