ICD-10-CM
ICD-10 code for Scar, scarring defect (isthmocele): O34.22
The ICD-10-CM index points "Scar, scarring defect (isthmocele)" to O34.22, Maternal care for cesarean scar defect (isthmocele). O34.22 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in O34
A header groups codes and is not billed. A billable code is one you can report.
- O34Maternal care for abnormality of pelvic organsHeader
- O34.0Maternal care for congenital malformation of uterusHeader
- O34.00Maternal care for unspecified congenital malformation of uterus, unspecified trimesterBillable
- O34.01Maternal care for unspecified congenital malformation of uterus, first trimesterBillable
- O34.02Maternal care for unspecified congenital malformation of uterus, second trimesterBillable
- O34.03Maternal care for unspecified congenital malformation of uterus, third trimesterBillable
- O34.1Maternal care for benign tumor of corpus uteriHeader
- O34.10Maternal care for benign tumor of corpus uteri, unspecified trimesterBillable
- O34.11Maternal care for benign tumor of corpus uteri, first trimesterBillable
- O34.12Maternal care for benign tumor of corpus uteri, second trimesterBillable
- O34.13Maternal care for benign tumor of corpus uteri, third trimesterBillable
- O34.2Maternal care due to uterine scar from previous surgeryHeader
- O34.21Maternal care for scar from previous cesarean deliveryHeader
- O34.22Maternal care for cesarean scar defect (isthmocele)Billable
- O34.29Maternal care due to uterine scar from other previous surgeryBillable
- O34.3Maternal care for cervical incompetenceHeader
- O34.30Maternal care for cervical incompetence, unspecified trimesterBillable
- O34.31Maternal care for cervical incompetence, first trimesterBillable
- O34.32Maternal care for cervical incompetence, second trimesterBillable
- O34.33Maternal care for cervical incompetence, third trimesterBillable
- O34.4Maternal care for other abnormalities of cervixHeader
- O34.40Maternal care for other abnormalities of cervix, unspecified trimesterBillable
- O34.41Maternal care for other abnormalities of cervix, first trimesterBillable
- O34.42Maternal care for other abnormalities of cervix, second trimesterBillable
- O34.43Maternal care for other abnormalities of cervix, third trimesterBillable
- O34.5Maternal care for other abnormalities of gravid uterusHeader
- O34.51Maternal care for incarceration of gravid uterusHeader
- O34.52Maternal care for prolapse of gravid uterusHeader
- O34.53Maternal care for retroversion of gravid uterusHeader
- O34.59Maternal care for other abnormalities of gravid uterusHeader
- O34.6Maternal care for abnormality of vaginaHeader
- O34.60Maternal care for abnormality of vagina, unspecified trimesterBillable
- O34.61Maternal care for abnormality of vagina, first trimesterBillable
- O34.62Maternal care for abnormality of vagina, second trimesterBillable
- O34.63Maternal care for abnormality of vagina, third trimesterBillable
- O34.7Maternal care for abnormality of vulva and perineumHeader
- O34.70Maternal care for abnormality of vulva and perineum, unspecified trimesterBillable
- O34.71Maternal care for abnormality of vulva and perineum, first trimesterBillable
- O34.72Maternal care for abnormality of vulva and perineum, second trimesterBillable
- O34.73Maternal care for abnormality of vulva and perineum, third trimesterBillable
- O34.8Maternal care for other abnormalities of pelvic organsHeader
- O34.80Maternal care for other abnormalities of pelvic organs, unspecified trimesterBillable
- O34.81Maternal care for other abnormalities of pelvic organs, first trimesterBillable
- O34.82Maternal care for other abnormalities of pelvic organs, second trimesterBillable
- O34.83Maternal care for other abnormalities of pelvic organs, third trimesterBillable
- O34.9Maternal care for abnormality of pelvic organ, unspecifiedHeader
- O34.90Maternal care for abnormality of pelvic organ, unspecified, unspecified trimesterBillable
- O34.91Maternal care for abnormality of pelvic organ, unspecified, first trimesterBillable
- O34.92Maternal care for abnormality of pelvic organ, unspecified, second trimesterBillable
- O34.93Maternal care for abnormality of pelvic organ, unspecified, third trimesterBillable
Code first
The CDC tabular list says to report the code named here before this one.
From O34. A note on a category applies to every code under it.
Code first any associated obstructed labor (O65.5)
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From O34. A note on a category applies to every code under it.
Use additional code for specific condition
Related pages
- O34.22 code detailsNotes, nearby codes, CMS-HCC group
- Category O34Every code under it
- Chapter 15Pregnancy, childbirth and the puerperium
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Scar, scarring defect (isthmocele)?
The ICD-10-CM index points "Scar, scarring defect (isthmocele)" to O34.22, Maternal care for cesarean scar defect (isthmocele). O34.22 is a billable code.
Is O34.22 billable?
Yes. O34.22 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to O34.22?
The CDC tabular list gives 1 "use additional code" note for O34.22 and the categories above it. They are listed on this page.
What chapter is O34.22 in?
Chapter 15. Pregnancy, childbirth and the puerperium.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.