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ICD-10 Guide
ICD-10 CodesO02.9

O02.9

Billable

Abnormal product of conception, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/08/2025

Code Description

ICD-10 O02.9 is a billable code used to indicate a diagnosis of abnormal product of conception, unspecified.

Key Diagnostic Point:

O02.9 refers to an abnormal product of conception that is unspecified, which can encompass various conditions such as blighted ovum, missed abortion, and incomplete abortion. A blighted ovum occurs when a fertilized egg implants in the uterus but does not develop into an embryo, leading to early pregnancy loss. Missed abortion is characterized by the cessation of embryonic development without the expulsion of the products of conception, often diagnosed during routine ultrasound. Incomplete abortion refers to the retention of some products of conception following a miscarriage, which may require medical or surgical intervention for complete evacuation. Management of pregnancy loss may involve monitoring, medical management with medications like misoprostol, or surgical procedures such as dilation and curettage (D&C) to prevent complications such as infection or heavy bleeding. Accurate coding of these conditions is crucial for appropriate patient management and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of pregnancy loss (e.g., missed abortion vs. incomplete abortion)
  • Understanding the clinical implications of abnormal products of conception
  • Variability in documentation practices among providers
  • Need for precise clinical details to support coding decisions

Audit Risk Factors

  • Inadequate documentation of the type of abortion or pregnancy loss
  • Failure to specify the gestational age at the time of diagnosis
  • Lack of follow-up documentation for management of incomplete abortion
  • Misclassification of the type of abnormal product of conception

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation must include details of the pregnancy history, ultrasound findings, and any interventions performed.

Common Clinical Scenarios

Common scenarios include patients presenting with vaginal bleeding, cramping, or ultrasound findings indicating a blighted ovum or missed abortion.

Billing Considerations

Consideration must be given to the emotional impact of pregnancy loss on patients and the need for sensitive communication.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancy documentation should include comprehensive assessments of maternal and fetal health, including any complications.

Common Clinical Scenarios

Complex maternal-fetal scenarios may involve patients with a history of recurrent pregnancy loss or those undergoing fertility treatments.

Billing Considerations

High-risk coding requires attention to detail regarding the patient's medical history and the specific nature of the pregnancy loss.

Coding Guidelines

Inclusion Criteria

Use O02.9 When
  • Official coding guidelines for obstetrics emphasize the importance of accurate documentation of the type of pregnancy loss and the gestational age
  • Coders should refer to the ICD
  • CM guidelines for obstetric conditions and ensure that all relevant clinical information is captured

Exclusion Criteria

Do NOT use O02.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

59820CPT Code

Dilation and curettage (D&C)

Clinical Scenario

Used for management of incomplete abortion or retained products of conception.

Documentation Requirements

Documentation must include indication for procedure, patient consent, and post-operative care plan.

Specialty Considerations

Obstetricians should ensure that the procedure is justified based on clinical findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of pregnancy-related conditions, improving the granularity of data collection and enhancing the ability to track outcomes related to abnormal products of conception.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of pregnancy-related conditions, improving the granularity of data collection and enhancing the ability to track outcomes related to abnormal products of conception.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between a missed abortion and a blighted ovum?

A missed abortion occurs when the embryo stops developing but is not expelled from the uterus, while a blighted ovum is when a fertilized egg implants but does not develop into an embryo. Both conditions result in pregnancy loss but differ in their clinical presentation and management.