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S32.423Non-billableSave

S32.423 - Displaced fracture of posterior wall of unspecified acetabulum

ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39) · Subcategory of S32.42 · FY2027

Coding Guidance

S32.423 requires a 7th character. Report the code below that matches the documentation, for example A for initial encounter for closed fracture, B for initial encounter for open fracture, D for subsequent encounter for fracture with routine healing.

7th Character

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

Includes, Excludes and Coding Notes

Code AlsoFrom S32.4

Report an additional code when both conditions apply.

  • any associated fracture of pelvic ring (S32.8-)
IncludesFrom S32

Conditions this code covers.

  • fracture of lumbosacral neural arch
  • fracture of lumbosacral spinous process
  • fracture of lumbosacral transverse process
  • fracture of lumbosacral vertebra
  • fracture of lumbosacral vertebral arch
Excludes 1 — Not Coded HereFrom S32

Mutually exclusive: these conditions are never reported together with this code.

  • transection of abdomen (S38.3)
Excludes 2 — Not Included HereFrom S32

Not part of this code; report both codes when the patient has both conditions.

  • fracture of hip NOS (S72.0-)
Code FirstFrom S32

Sequence the underlying condition before this code.

  • any associated spinal cord and spinal nerve injury (S34.-)
NotesFrom S32

Instructional notes from the ICD-10-CM tabular list.

  • 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
IncludesFrom S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)

Conditions this code covers.

  • 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
Excludes 2 — Not Included HereFrom S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)

Not part of this code; report both codes when the patient has both conditions.

  • 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)
Excludes 2 — Not Included HereFrom Chapter S00-T88

Not part of this code; report both codes when the patient has both conditions.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
Use Additional CodeFrom Chapter S00-T88

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify any retained foreign body, if applicable (Z18.-)
NotesFrom Chapter S00-T88

Instructional notes from the ICD-10-CM tabular list.

  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

More Specific Codes (6)

S32.423ADisplaced fracture of posterior wall of unspecified acetabulum, initial encounter for closed fracture→S32.423BDisplaced fracture of posterior wall of unspecified acetabulum, initial encounter for open fracture→S32.423DDisplaced fracture of posterior wall of unspecified acetabulum, subsequent encounter for fracture with routine healing→S32.423GDisplaced fracture of posterior wall of unspecified acetabulum, subsequent encounter for fracture with delayed healing→S32.423KDisplaced fracture of posterior wall of unspecified acetabulum, subsequent encounter for fracture with nonunion→S32.423SDisplaced fracture of posterior wall of unspecified acetabulum, sequela→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with S32.423.