2026 ICD-10-CM Diagnosis Code O34Maternal care for abnormality of pelvic organs

ICD-10-CM Codes›O00-O9A›O30-O48›O34

ICD-10-CM O34
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

O34 is a non-billable ICD-10-CM category code for maternal care for abnormality of pelvic organs, so it cannot be submitted on claims. Use a more specific code from this category instead, such as O34.00, O34.01, O34.02, and O34.03.

Code Identity

ICD-10-CM Code
O34
Billable Status
No — Non-Billable Category
Code Describes
Maternal care for abnormality of pelvic organs
Chapter
O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
CategoryO34Maternal care for abnormality of pelvic organs
This CodeO34Maternal care for abnormality of pelvic organs

Specific Coding for Maternal care for abnormality of pelvic organsOverview

Non-specific codes like O34 require more characters. Use one of these billable codes instead:

  • O34.0 for Maternal care for congenital malformation of uterus

  • Use O34.00 for Maternal care for unspecified congenital malformation of uterus, unspecified trimester

  • Use O34.01 for Maternal care for unspecified congenital malformation of uterus, first trimester

  • Use O34.02 for Maternal care for unspecified congenital malformation of uterus, second trimester

  • Use O34.03 for Maternal care for unspecified congenital malformation of uterus, third trimester

  • O34.1 for Maternal care for benign tumor of corpus uteri

  • Use O34.10 for Maternal care for benign tumor of corpus uteri, unspecified trimester

  • Use O34.11 for Maternal care for benign tumor of corpus uteri, first trimester

  • Use O34.12 for Maternal care for benign tumor of corpus uteri, second trimester

  • Use O34.13 for Maternal care for benign tumor of corpus uteri, third trimester

  • O34.2 for Maternal care due to uterine scar from previous surgery

  • O34.21 for Maternal care for scar from previous cesarean delivery

  • Use O34.22 for Maternal care for cesarean scar defect (isthmocele)

  • Use O34.29 for Maternal care due to uterine scar from other previous surgery

  • O34.3 for Maternal care for cervical incompetence

  • Use O34.30 for Maternal care for cervical incompetence, unspecified trimester

  • Use O34.31 for Maternal care for cervical incompetence, first trimester

  • Use O34.32 for Maternal care for cervical incompetence, second trimester

  • Use O34.33 for Maternal care for cervical incompetence, third trimester

  • O34.4 for Maternal care for other abnormalities of cervix

  • Use O34.40 for Maternal care for other abnormalities of cervix, unspecified trimester

  • Use O34.41 for Maternal care for other abnormalities of cervix, first trimester

  • Use O34.42 for Maternal care for other abnormalities of cervix, second trimester

  • Use O34.43 for Maternal care for other abnormalities of cervix, third trimester

  • O34.5 for Maternal care for other abnormalities of gravid uterus

  • O34.51 for Maternal care for incarceration of gravid uterus

  • O34.52 for Maternal care for prolapse of gravid uterus

  • O34.53 for Maternal care for retroversion of gravid uterus

  • O34.59 for Maternal care for other abnormalities of gravid uterus

  • O34.6 for Maternal care for abnormality of vagina

  • Use O34.60 for Maternal care for abnormality of vagina, unspecified trimester

  • Use O34.61 for Maternal care for abnormality of vagina, first trimester

  • Use O34.62 for Maternal care for abnormality of vagina, second trimester

  • Use O34.63 for Maternal care for abnormality of vagina, third trimester

  • O34.7 for Maternal care for abnormality of vulva and perineum

  • Use O34.70 for Maternal care for abnormality of vulva and perineum, unspecified trimester

  • Use O34.71 for Maternal care for abnormality of vulva and perineum, first trimester

  • Use O34.72 for Maternal care for abnormality of vulva and perineum, second trimester

  • Use O34.73 for Maternal care for abnormality of vulva and perineum, third trimester

  • O34.8 for Maternal care for other abnormalities of pelvic organs

  • Use O34.80 for Maternal care for other abnormalities of pelvic organs, unspecified trimester

  • Use O34.81 for Maternal care for other abnormalities of pelvic organs, first trimester

  • Use O34.82 for Maternal care for other abnormalities of pelvic organs, second trimester

  • Use O34.83 for Maternal care for other abnormalities of pelvic organs, third trimester

  • O34.9 for Maternal care for abnormality of pelvic organ, unspecified

  • Use O34.90 for Maternal care for abnormality of pelvic organ, unspecified, unspecified trimester

  • Use O34.91 for Maternal care for abnormality of pelvic organ, unspecified, first trimester

  • Use O34.92 for Maternal care for abnormality of pelvic organ, unspecified, second trimester

  • Use O34.93 for Maternal care for abnormality of pelvic organ, unspecified, third trimester

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • the listed conditions as a reason for hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor

Code First

  • any associated obstructed labor O65.5

Use Additional Code

  • code for specific condition

Patient EducationClinical

Childbirth Problems

Childbirth is the process of giving birth to a baby. It includes labor and delivery. Usually everything goes well, but problems can happen. They may cause a risk to the mother, baby, or both. Some of the more common childbirth problems include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About O34Overview

Is O34 (Maternal care for abnormality of pelvic organs) a billable code?

No. This is a category header that groups the codes for maternal care for abnormality of pelvic organs, and headers cannot be submitted on claims. Claims for maternal care for abnormality of pelvic organs need a more specific code from this category, such as O34.00, O34.01, and O34.02.