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    OpenPayerBilling CodesPregnancy with abortive outcomeICD-10-CM o02-other-abnormal-products-of-conception
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    ICD-10-CM Code For Other Abnormal Products Of Conception: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group O02 includes diagnoses for abnormal products of conception such as molar pregnancy, other specified abnormal products of conception, and unspecified abnormal products of conception that occur in early pregnancy. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving nonviable conception products, trophoblastic disease, or other abnormal gestational tissue, capturing the type and specificity of the finding. Accurate coding within the ICD-10-CM O02 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM O02: Other Abnormal Products Of Conception Overview

    This group includes diagnoses for abnormal products of conception encountered in early pregnancy, such as hydatidiform mole and other specified abnormal products. These conditions affect the reproductive system and can have implications for patient management and monitoring. Accurate coding is important to support appropriate claim processing and to reflect clinical complexity for reimbursement.

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    When to Use

    Use a code from this group when clinical documentation confirms an abnormal product of conception, such as a molar pregnancy or other nonviable gestational tissue identified by pathologic examination or imaging. Select the code that best matches the documented specificity, for example specifying complete versus partial mole or using unspecified codes when details are not available.

    ICD-10-CM Codes

    5 rows

    ICD-10-CM CodeDescription
    O02.0Blighted ovum and nonhydatidiform mole
    O02.1Missed abortion
    O02.81Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancy
    O02.89Other abnormal products of conception
    O02.9Abnormal product of conception, unspecified

    DRG Codes

    8 rows

    DRG CodeDescription
    770Abortion with D&C, Aspiration Curettage or Hysterotomy
    779Abortion without D&C
    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 28-year-old woman presents to the emergency department with sudden onset pelvic pain and light vaginal bleeding at 8 weeks gestation after a positive home pregnancy test; ultrasound shows a nonviable intrauterine pregnancy with retained products partially expelled but no signs of infection. She seeks urgent evaluation for management of an incomplete loss of the pregnancy, and a code from this group is assigned to document the abnormal product of conception causing the abortive event. Typical codes: O02.1, O02.9
    • A 35-year-old patient with a history of multiple prior first-trimester losses comes to an outpatient clinic for evaluation after recent passage of tissue and persistent light bleeding; pathology confirms molar tissue without evidence of invasive disease. This outpatient encounter documents an abnormal product of conception identified after spontaneous passage and pathologic examination, warranting a specific code from this group for follow-up and surveillance. Typical codes: O02.0, O02.81
    • A 22-year-old presents to a clinic several weeks after a therapeutic termination elsewhere with ongoing intermittent bleeding and ultrasound evidence of retained placental fragments; she is stable but requires outpatient monitoring and possible removal of retained tissue. The diagnosis from this group is used to capture the complication of retained abnormal products of conception after an abortive outcome. Typical codes: O02.89, O02.1

    Related Codes

    O00-ECTOPIC-PREGNANCY

    ICD-10-CM Code For Ectopic Pregnancy: Group Overview

    O01-HYDATIDIFORM-MOLE

    ICD-10-CM Code For Hydatidiform Mole: Group Overview

    O03-SPONTANEOUS-ABORTION

    ICD-10-CM Code For Spontaneous Abortion: Group Overview

    O04-COMPLICATIONS-FOLLOWING-TERMINATION-OF-PREGNANCY

    ICD-10-CM Code For Complications Following Induced Termination Of Pregnancy: Group Overview

    O07-FAILED-ATTEMPTED-TERMINATION-OF-PREGNANCY

    ICD-10-CM Code For Failed Attempted Termination Of Pregnancy: Group Overview

    O08-COMPLICATIONS-FOLLOWING-ECTOPIC-AND-MOLAR-PREGNANCY

    ICD-10-CM Code For Complications Following Ectopic And Molar 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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