S31 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Open wound of abdomen, lower back, pelvis and external genitals.
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Open 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 S31
A: initial encounter
D: subsequent encounter
S: sequela
Open wound of lower back and pelvis
Open wound of abdominal wall without penetration into peritoneal cavity
Open wound of penis
Open wound of scrotum and testes
Open wound of vagina and vulva
Open wound of unspecified external genital organs
Open wound of abdominal wall with penetration into peritoneal cavity
Open wound of other parts of abdomen, lower back and pelvis
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