Skip to main content
ICD-10/S32.31

S32.31 ICD-10-CM Code: Avulsion fracture of ilium

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Avulsion fracture of ilium is a non-billable ICD-10-CM category code (S32.31). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S32.31 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • fracture of lumbosacral neural arch
  • fracture of lumbosacral spinous process
  • fracture of lumbosacral transverse process
  • fracture of lumbosacral vertebra
  • fracture of lumbosacral vertebral arch
  • injuries to the abdominal wall
  • injuries to the anus
  • injuries to the buttock
  • injuries to the external genitalia
  • injuries to the flank
  • injuries to the groin

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • fracture of ilium with associated disruption of pelvic ring (S32.8-)
  • transection of abdomen (S38.3)

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • fracture of hip NOS (S72.0-)
  • burns and corrosions (T20-T32)
  • effects of foreign body in anus and rectum (T18.5)
  • effects of foreign body in genitourinary tract (T19.-)
  • effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Code First

Underlying conditions that must be sequenced before this code.

  • any associated spinal cord and spinal nerve injury (S34.-)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S32.31 be billed directly?

No. S32.31 (Avulsion fracture of ilium) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S32.31 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S32.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S32.31 in its code family, with their registry titles.

  • S32.309B — Unspecified fracture of unspecified ilium, initial encounter for open fracture
  • S32.309D — Unspecified fracture of unspecified ilium, subsequent encounter for fracture with routine healing
  • S32.309G — Unspecified fracture of unspecified ilium, subsequent encounter for fracture with delayed healing
  • S32.309K — Unspecified fracture of unspecified ilium, subsequent encounter for fracture with nonunion
  • S32.309S — Unspecified fracture of unspecified ilium, sequela
  • S32.311 — Displaced avulsion fracture of right ilium
  • S32.311A — Displaced avulsion fracture of right ilium, initial encounter for closed fracture
  • S32.311B — Displaced avulsion fracture of right ilium, initial encounter for open fracture
  • S32.311D — Displaced avulsion fracture of right ilium, subsequent encounter for fracture with routine healing
  • S32.311G — Displaced avulsion fracture of right ilium, subsequent encounter for fracture with delayed healing

View all codes in the S32 family