S32.31 is the authoritative medical code for Avulsion fracture of ilium. This classification is used in medical billing and clinical recording to specify the clinical criteria for avulsion fracture of ilium (ICD-10-CM S32.31), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
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. Includes: 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): fracture of ilium with associated disruption of pelvic ring S32.8-; transection of abdomen S38.3. Excludes2 (not included here): 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: any associated spinal cord and spinal nerve injury S34.-. 7th character: The appropriate 7th character is to be added to each code from category S32.
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.
What can't be coded together with S32.31?
Per official ICD-10-CM Excludes1 instructions, S32.31 must not be reported together with: fracture of ilium with associated disruption of pelvic ring (S32.8-); transection of abdomen (S38.3).
Can S32.31 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, S32.31 and the following are not considered part of each other and may both be reported when both conditions 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.-).
Does S32.31 need to be sequenced after another code?
Yes. Code first: any associated spinal cord and spinal nerve injury (S34.-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S32.31 in its code family, with their registry titles.
- S32 — Fracture of lumbar spine and pelvis
- S32.0 — Fracture of lumbar vertebra
- S32.00 — Fracture of unspecified lumbar vertebra
- S32.000 — Wedge compression fracture of unspecified lumbar vertebra
- S32.000A — Wedge compression fracture of unspecified lumbar vertebra, initial encounter for closed fracture
- S32.000B — Wedge compression fracture of unspecified lumbar vertebra, initial encounter for open fracture
- S32.000D — Wedge compression fracture of unspecified lumbar vertebra, subsequent encounter for fracture with routine healing
- S32.000G — Wedge compression fracture of unspecified lumbar vertebra, subsequent encounter for fracture with delayed healing
- S32.000K — Wedge compression fracture of unspecified lumbar vertebra, subsequent encounter for fracture with nonunion
- S32.000S — Wedge compression fracture of unspecified lumbar vertebra, sequela
View all 40 codes in the S32 family