S31.829Unspecified open wound of left buttock

S31.829 is the ICD-10-CM diagnosis code for unspecified open wound of left buttock. It belongs to category S31 (open wound 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 S31.82, choose S31.829 (Unspecified open wound of left buttock) only when documentation doesn't support a more specific option: laceration without foreign body of left buttock (S31.821), laceration with foreign body of left buttock (S31.822), puncture wound without foreign body of left buttock (S31.823), puncture wound with foreign body of left buttock (S31.824) and open bite of left buttock (S31.825).

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 has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.