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    OpenPayerBilling CodesMaternal care related to the fetus and amniotic cavity and possible delivery problemsICD-10-CM o36-maternal-care-other-fetal-problems
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    ICD-10-CM Code For Maternal Care For Other Fetal Problems: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group O36 includes maternal care encounters for a range of fetal problems such as suspected fetal abnormality, abnormal fetal growth, and other specified fetal conditions that may complicate pregnancy. These ICD-10-CM diagnosis codes are used to document maternal encounters that reflect fetal involvement, fetal development issues, or complications in the amniotic environment, capturing clinical complexity and severity of the fetal condition. Accurate coding within the ICD-10-CM O36 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM O36: Maternal Care For Other Fetal Problems Overview

    This group represents maternal encounters for fetal conditions other than those classified elsewhere, including abnormal fetal growth, fetal malformations, and other specified fetal problems affecting the pregnancy. These diagnoses target the maternal-fetal interface and the fetus or amniotic environment rather than maternal organ systems. Accurate coding matters because it documents clinical complexity that affects care planning and supports correct billing and reimbursement.

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    When to Use

    Use codes from this group when the clinician documents maternal care provided specifically because of a fetal problem, such as suspected fetal malformation, abnormal growth, or other fetal conditions requiring monitoring or intervention. These codes apply when the fetal condition is the reason for the encounter rather than a maternal disease unrelated to the fetus.

    ICD-10-CM Codes

    399 rows

    ICD-10-CM CodeDescription
    O36.0110Maternal care for anti-D [Rh] antibodies, first trimester, not applicable or unspecified
    O36.0111Maternal care for anti-D [Rh] antibodies, first trimester, fetus 1
    O36.0112Maternal care for anti-D [Rh] antibodies, first trimester, fetus 2
    O36.0113Maternal care for anti-D [Rh] antibodies, first trimester, fetus 3
    O36.0114Maternal care for anti-D [Rh] antibodies, first trimester, fetus 4
    O36.0115Maternal care for anti-D [Rh] antibodies, first trimester, fetus 5
    O36.0119Maternal care for anti-D [Rh] antibodies, first trimester, other fetus
    O36.0120Maternal care for anti-D [Rh] antibodies, second trimester, not applicable or unspecified
    O36.0121Maternal care for anti-D [Rh] antibodies, second trimester, fetus 1
    O36.0122Maternal care for anti-D [Rh] antibodies, second trimester, fetus 2
    O36.0123Maternal care for anti-D [Rh] antibodies, second trimester, fetus 3
    O36.0124Maternal care for anti-D [Rh] antibodies, second trimester, fetus 4
    O36.0125Maternal care for anti-D [Rh] antibodies, second trimester, fetus 5
    O36.0129Maternal care for anti-D [Rh] antibodies, second trimester, other fetus
    O36.0130Maternal care for anti-D [Rh] antibodies, third trimester, not applicable or unspecified
    O36.0131Maternal care for anti-D [Rh] antibodies, third trimester, fetus 1
    O36.0132Maternal care for anti-D [Rh] antibodies, third trimester, fetus 2
    O36.0133Maternal care for anti-D [Rh] antibodies, third trimester, fetus 3
    O36.0134Maternal care for anti-D [Rh] antibodies, third trimester, fetus 4
    O36.0135Maternal care for anti-D [Rh] antibodies, third trimester, fetus 5

    Showing 1–20 of 399

    • More pages

    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 at 28 weeks gestation presents to the obstetric triage unit with decreased fetal movements and an abnormal nonstress test showing recurrent late decelerations. Ultrasound demonstrates intrauterine growth restriction with oligohydramnios, prompting maternal-fetal medicine consultation and intensified fetal surveillance; a maternal-care-for-fetal-problem code is assigned to indicate maternal management directed at fetal compromise. Typical codes: O36.0112, O36.0122
    • A patient with a known structural fetal anomaly seen on mid-trimester anatomy scan (ventricular septal defect and suspected renal agenesis) is referred for serial ultrasounds and counseling; she returns for multiple outpatient maternal-fetal medicine visits to monitor fetal status and plan perinatal care. A code from this group is used to document maternal care provided specifically because of the identified fetal anomalies. Typical codes: O36.0912, O36.0932
    • A woman at 34 weeks gestation presents to labor and delivery with preterm premature rupture of membranes and signs of chorioamnionitis; fetal heart rate monitoring shows intermittent decelerations and there is concern for impending fetal distress requiring expedited delivery planning and neonatal team notification. A diagnosis code in this group is used to capture maternal care focused on the acutely compromised fetus and amniotic cavity complications. Typical codes: O36.1193, O36.1133

    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

    O34-ABNORMALITY-OF-PELVIC-ORGANS

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

    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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