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ICD-10-CM 2027

ICD-10 code for iliac region injury

S39.91

Unspecified injury of abdomen

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Injury › iliac region”. Page updated September 29, 2026.

About coding iliac region injury

The ICD-10-CM code for iliac region injury is S39.91 (Unspecified injury of abdomen).

Within S39.9 (unspecified injury of abdomen, lower back, pelvis and external genitals), S39.91 is specifically for unspecified injury of abdomen. Related codes cover lower back (S39.92), pelvis (S39.93) and external genitals (S39.94).

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.

Common questions about iliac region injury ICD-10 codes

What is the ICD-10 code for iliac region injury?

S39.91 — Unspecified injury of abdomen (a header code; report a more specific subcode).

Is S39.91 billable?

No. S39.91 is a header code. Report one of its more specific subcodes instead.