Open wound of abdomen, lower back, pelvis and external genitals Excludes1traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)Excludes2open wound of hip (S71.00-S71.02)open fracture of pelvis (S32.1--S32.9 with 7th character B)The appropriate 7th character is to be added to each code from category S31A - initial encounterD - subsequent encounterS - sequela