S32.316B Nondisplaced avulsion fracture of unspecified ilium, initial encounter for open fracture

Billable ICD-10-CM code, FY2026.

Built from S32.316 with 7th character B (initial encounter for open fracture).

Applies from S32 Fracture of lumbar spine and pelvis

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

Excludes1 (never code together)

• transection of abdomen (S38.3)

Excludes2 (not included here)

• fracture of hip NOS (S72.0-)

Code first

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

7th character note

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

Notes

• A fracture not indicated as displaced or nondisplaced should be coded to displaced
• A fracture not indicated as opened or closed should be coded to closed

7th character required

• A — initial encounter for closed fracture
• B — initial encounter for open fracture
• D — subsequent encounter for fracture with routine healing
• G — subsequent encounter for fracture with delayed healing
• K — subsequent encounter for fracture with nonunion
• S — sequela

Applies from S32.3 Fracture of ilium

Excludes1 (never code together)

• fracture of ilium with associated disruption of pelvic ring (S32.8-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 402 — Hip Fracture/Dislocation
• CMS-HCC V22: HCC 170 — Hip Fracture/Dislocation
• ESRD V24: HCC 170

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to S32.316B

Back-references to S32

• Type 1 Excludes: M48.5 Collapsed vertebra, not elsewhere classified ("traumatic fracture of vertebra (S12.-, S22.-, S32.-)")
• Type 1 Excludes: M84.3 Stress fracture ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
• Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
• Use Additional: S38.1 Crushing injury of abdomen, lower back, and pelvis ("fracture of thoracic or lumbar spine and pelvis (S22.0-, S32.-)")

Nearby codes

• S32.315G Nondisplaced avulsion fracture of left ilium, subsequent encounter for fracture with delayed healing
• S32.315K Nondisplaced avulsion fracture of left ilium, subsequent encounter for fracture with nonunion
• S32.315S Nondisplaced avulsion fracture of left ilium, sequela
• S32.316 Nondisplaced avulsion fracture of unspecified ilium
• S32.316A Nondisplaced avulsion fracture of unspecified ilium, initial encounter for closed fracture
• S32.316B Nondisplaced avulsion fracture of unspecified ilium, initial encounter for open fracture (this code)
• S32.316D Nondisplaced avulsion fracture of unspecified ilium, subsequent encounter for fracture with routine healing
• S32.316G Nondisplaced avulsion fracture of unspecified ilium, subsequent encounter for fracture with delayed healing
• S32.316K Nondisplaced avulsion fracture of unspecified ilium, subsequent encounter for fracture with nonunion
• S32.316S Nondisplaced avulsion fracture of unspecified ilium, sequela
• S32.39 Other fracture of ilium