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ICD-10-CM · FY 2026 APRIL UPDATE

O34

Maternal care for abnormality of pelvic organs

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
O34.0Maternal care for congenital malformation of uterusCategory
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 uteriCategory
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 surgeryCategory
O34.21Maternal care for scar from previous cesarean deliveryCategory
O34.211Maternal care for low transverse scar from previous cesarean deliveryBillable
O34.212Maternal care for vertical scar from previous cesarean deliveryBillable
O34.218Maternal care for other type scar from previous cesarean deliveryBillable
O34.219Maternal care for unspecified type scar from previous cesarean deliveryBillable
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 incompetenceCategory
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 cervixCategory
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 uterusCategory
O34.51Maternal care for incarceration of gravid uterusCategory

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.