ICD-10-CM 2027
ICD-10 code for defect isthmocele scar
O34.22
Maternal care for cesarean scar defect (isthmocele)
From the official ICD-10-CM alphabetic index entry “Scar, scarring › defect (isthmocele)”. Page updated September 29, 2026.
About coding defect isthmocele scar
The ICD-10-CM code for defect isthmocele scar is O34.22 (Maternal care for cesarean scar defect (isthmocele)).
Within O34.2 (maternal care due to uterine scar from previous surgery), O34.22 is specifically for maternal care for cesarean scar defect (isthmocele). Related codes cover for scar from previous cesarean delivery (O34.21) and due to uterine scar from other previous surgery (O34.29).
Code first: any associated obstructed labor (O65.5).
Use an additional code for specific condition.
Common questions about defect isthmocele scar ICD-10 codes
What is the ICD-10 code for defect isthmocele scar?
- O34.22 — Maternal care for cesarean scar defect (isthmocele).
Is O34.22 billable?
- Yes. O34.22 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can O34.22 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict O34.22 as a principal diagnosis.
Is O34.22 a CC or MCC?
- No. O34.22 is neither a CC nor an MCC under MS-DRG v44.0.