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    v1.0.28
    OpenPayerBilling CodesOther maternal disorders predominantly related to pregnancyICD-10-CM o26-maternal-care-other-conditions
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    ICD-10-CM Code For Maternal Care For Other Conditions Predominantly Related To Pregnancy: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group O26 includes maternal conditions and complications that are predominantly related to pregnancy but do not fit into other primary obstetric categories, such as nutritional deficiencies, infections, and other specified disorders affecting pregnancy. These ICD-10-CM diagnosis codes are used to document maternal comorbidities that influence pregnancy management, capturing disease severity, organ involvement, or clinical complexity relevant to this group. Accurate coding within the ICD-10-CM O26 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM O26: Maternal Care For Other Conditions Predominantly Related To Pregnancy Overview

    The diagnoses in this group represent maternal conditions that arise because of or are exacerbated by pregnancy and that do not fall into more common obstetric categories. They target a range of systemic and organ-specific disorders encountered during pregnancy and the puerperium. Accurate coding is important to reflect clinical complexity and ensure appropriate reimbursement for maternal care services.

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    When to Use

    Use a code from this group when documenting a maternal condition that arises during pregnancy or the puerperium and is predominantly related to pregnancy but not captured by other obstetric code ranges. Select the specific code that best reflects the diagnosis, clinical complexity, and any documented severity or organ involvement.

    ICD-10-CM Codes

    72 rows

    ICD-10-CM CodeDescription
    O26.00Excessive weight gain in pregnancy, unspecified trimester
    O26.01Excessive weight gain in pregnancy, first trimester
    O26.02Excessive weight gain in pregnancy, second trimester
    O26.03Excessive weight gain in pregnancy, third trimester
    O26.10Low weight gain in pregnancy, unspecified trimester
    O26.11Low weight gain in pregnancy, first trimester
    O26.12Low weight gain in pregnancy, second trimester
    O26.13Low weight gain in pregnancy, third trimester
    O26.20Pregnancy care for patient with recurrent pregnancy loss, unspecified trimester
    O26.21Pregnancy care for patient with recurrent pregnancy loss, first trimester
    O26.22Pregnancy care for patient with recurrent pregnancy loss, second trimester
    O26.23Pregnancy care for patient with recurrent pregnancy loss, third trimester
    O26.30Retained intrauterine contraceptive device in pregnancy, unspecified trimester
    O26.31Retained intrauterine contraceptive device in pregnancy, first trimester
    O26.32Retained intrauterine contraceptive device in pregnancy, second trimester
    O26.33Retained intrauterine contraceptive device in pregnancy, third trimester
    O26.40Herpes gestationis, unspecified trimester
    O26.41Herpes gestationis, first trimester
    O26.42Herpes gestationis, second trimester
    O26.43Herpes gestationis, third trimester

    Showing 1–20 of 72

    DRG Codes

    9 rows

    DRG CodeDescription
    769Postpartum and Post Abortion Diagnoses with O.R. Procedures
    776Postpartum and Post Abortion Diagnoses without O.R. Procedures
    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
    [object Object]

    Related Codes

    O20-HEMORRHAGE-IN-EARLY-PREGNANCY

    ICD-10-CM Code For Hemorrhage In Early Pregnancy: Group Overview

    O21-EXCESSIVE-VOMITING-IN-PREGNANCY

    ICD-10-CM Code For Excessive Vomiting In Pregnancy: Group Overview

    O22-VENOUS-COMPLICATIONS-AND-HEMORRHOIDS

    ICD-10-CM Code For Venous Complications And Hemorrhoids In Pregnancy: Group Overview

    O23-INFECTIONS-OF-GENITOURINARY-TRACT

    ICD-10-CM Code For Infections Of Genitourinary Tract In Pregnancy: Group Overview

    O24-DIABETES-MELLITUS-IN-PREGNANCY

    ICD-10-CM Code For Diabetes Mellitus In Pregnancy, Childbirth, And The Puerperium: Group Overview

    O25-MALNUTRITION-IN-PREGNANCY

    ICD-10-CM Code For Malnutrition In Pregnancy Childbirth And The Puerperium: Group Overview

    O28-ABNORMAL-ANTENATAL-SCREENING-FINDINGS

    ICD-10-CM Code For Abnormal Findings On Antenatal Screening Of Mother: Group Overview

    O29-COMPLICATIONS-OF-ANESTHESIA

    ICD-10-CM Code For Complications Of Anesthesia During Pregnancy: Group Overview

    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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