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    v1.0.28
    OpenPayerBilling CodesMaternal care related to the fetus and amniotic cavity and possible delivery problemsICD-10-CM o34-abnormality-of-pelvic-organs
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    ICD-10-CM Code For Maternal Care For Abnormality Of Pelvic Organs: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group O34 includes maternal diagnoses for abnormalities of pelvic organs such as structural malformations, adhesions, or prior surgical changes affecting the uterus, cervix, or pelvic support during pregnancy. These ICD-10-CM diagnosis codes are used to document clinical scenarios where pelvic organ abnormalities impact gestation, labor management, or delivery planning, capturing organ involvement and clinical complexity. Accurate coding within the ICD-10-CM O34 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM O34: Maternal Care For Abnormality Of Pelvic Organs Overview

    This group includes maternal diagnoses for abnormalities of pelvic organs that can affect pregnancy and delivery. It targets structural or functional disorders of the pelvic organs that may complicate gestation, labor, or delivery. Accurate coding matters for clinical records and reimbursement because it documents pregnancy-related complications and justifies medical services provided.

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    When to Use

    Use a code from this group when a documented pelvic organ abnormality is present and is relevant to the current pregnancy, labor, or delivery management. These codes apply when the abnormality influences clinical decisions, monitoring, or delivery planning.

    ICD-10-CM Codes

    54 rows

    ICD-10-CM CodeDescription
    O34.00Maternal care for unspecified congenital malformation of uterus, unspecified trimester
    O34.01Maternal care for unspecified congenital malformation of uterus, first trimester
    O34.02Maternal care for unspecified congenital malformation of uterus, second trimester
    O34.03Maternal care for unspecified congenital malformation of uterus, third trimester
    O34.10Maternal care for benign tumor of corpus uteri, unspecified trimester
    O34.11Maternal care for benign tumor of corpus uteri, first trimester
    O34.12Maternal care for benign tumor of corpus uteri, second trimester
    O34.13Maternal care for benign tumor of corpus uteri, third trimester
    O34.211Maternal care for low transverse scar from previous cesarean delivery
    O34.212Maternal care for vertical scar from previous cesarean delivery
    O34.218Maternal care for other type scar from previous cesarean delivery
    O34.219Maternal care for unspecified type scar from previous cesarean delivery
    O34.22Maternal care for cesarean scar defect (isthmocele)
    O34.29Maternal care due to uterine scar from other previous surgery
    O34.30Maternal care for cervical incompetence, unspecified trimester
    O34.31Maternal care for cervical incompetence, first trimester
    O34.32Maternal care for cervical incompetence, second trimester
    O34.33Maternal care for cervical incompetence, third trimester
    O34.40Maternal care for other abnormalities of cervix, unspecified trimester
    O34.41Maternal care for other abnormalities of cervix, first trimester

    Showing 1–20 of 54

    DRG Codes

    6 rows

    DRG CodeDescription
    817Other Antepartum Diagnoses with O.R. Procedures with MCC
    818Other Antepartum Diagnoses with O.R. Procedures with CC
    819Other Antepartum Diagnoses with O.R. Procedures without CC/MCC
    831Other Antepartum Diagnoses without O.R. Procedures with MCC
    832Other Antepartum Diagnoses without O.R. Procedures with CC
    833Other Antepartum Diagnoses without O.R. Procedures without CC/MCC

    Typical Clinical Scenarios

    • A pregnant woman in her third trimester presents for routine prenatal care with a documented history of uterine fibroids and symptoms of pelvic pressure and discomfort; ultrasound shows a large intramural fibroid distorting the lower uterine segment and potentially obstructing labor, so a maternal care diagnosis related to an abnormality of the pelvic organs is assigned to guide delivery planning. Typical codes: O34.10, O34.11
    • A multiparous patient arrives to labor and delivery in active labor with known placenta previa and a previous cesarean; pelvic examination and ultrasound reveal an abnormal placental location with cervical involvement and concern for obstructed vaginal delivery, prompting assignment of a code from this group reflecting pelvic organ abnormality complicating delivery. Typical codes: O34.211, O34.212
    • A pregnant patient with a prior pelvic organ prolapse presents for prenatal consultation because the prolapse has worsened during pregnancy, causing urinary symptoms and increased risk for delivery complications; the visit documents maternal pelvic organ abnormality requiring monitoring and individualized delivery planning, resulting in use of an appropriate code from this group. Typical codes: O34.30, O34.31

    Related Codes

    O30-MULTIPLE-GESTATION-PREGNANCY

    ICD-10-CM Code For Multiple Gestation: Group Overview

    O31-COMPLICATIONS-SPECIFIC-TO-MULTIPLE-GESTATION

    ICD-10-CM Code For Complications Specific To Multiple Gestation: Group Overview

    O32-MALPRESENTATION-OF-FETUS

    ICD-10-CM Code For Maternal Care For Malpresentation Of Fetus: Group Overview

    O33-MATERNAL-CARE-FOR-DISPROPORTION

    ICD-10-CM Code For Maternal Care For Disproportion: Group Overview

    O35-MATERNAL-CARE-FOR-FETAL-ABNORMALITY

    ICD-10-CM Code For Maternal Care For Known Or Suspected Fetal Abnormality And Damage: Group Overview

    O36-MATERNAL-CARE-OTHER-FETAL-PROBLEMS

    ICD-10-CM Code For Maternal Care For Other Fetal Problems: Group Overview

    O40-POLYHYDRAMNIOS

    ICD-10-CM Code For Polyhydramnios: Group Overview

    O41-OTHER-DISORDERS-OF-AMNIOTIC-FLUID

    ICD-10-CM Code For Other Disorders Of Amniotic Fluid And Membranes: Group Overview

    O42-PREMATURE-RUPTURE-OF-MEMBRANES

    ICD-10-CM Code For Premature Rupture Of Membranes: Group Overview

    O43-PLACENTAL-DISORDERS

    ICD-10-CM Code For Placental Disorders: Group Overview

    Showing 1–10 of 15

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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