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ICD-10 Guide
ICD-10 CodesO31.32

O31.32

Billable

Continuing pregnancy after elective fetal reduction of one fetus or more, second trimester

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

Code Description

ICD-10 O31.32 is a billable code used to indicate a diagnosis of continuing pregnancy after elective fetal reduction of one fetus or more, second trimester.

Key Diagnostic Point:

O31.32 refers to the clinical scenario where a pregnancy continues after an elective fetal reduction procedure has been performed during the second trimester. This procedure is often indicated in cases of multiple gestations, where the risk of complications increases with the number of fetuses. Elective fetal reduction aims to improve outcomes for the remaining fetuses by reducing the overall burden on the mother's body and minimizing the risk of conditions such as twin-to-twin transfusion syndrome (TTTS). TTTS is a serious condition that can occur in monochorionic twins, where blood flow is imbalanced between the twins, leading to one twin receiving too much blood (the recipient) and the other too little (the donor). The decision to perform fetal reduction is complex and requires careful consideration of maternal and fetal health, potential complications, and the ethical implications of the procedure. O31.32 captures the ongoing management and monitoring of the pregnancy post-reduction, which may involve increased surveillance for complications associated with multiple gestations and the specific risks posed by TTTS.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Need for precise documentation of the fetal reduction procedure and its indications.
  • Understanding of the implications of multiple gestations and associated risks.
  • Differentiation between elective and medically necessary fetal reductions.
  • Awareness of complications such as TTTS and their management.

Audit Risk Factors

  • Inadequate documentation of the rationale for fetal reduction.
  • Failure to document ongoing monitoring for complications.
  • Misclassification of the type of fetal reduction (elective vs. therapeutic).
  • Lack of clear communication between specialties involved in care.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed records of the fetal reduction procedure, including indications, consent, and follow-up care.

Common Clinical Scenarios

Management of pregnancies with multiple gestations, monitoring for complications, and counseling regarding fetal reduction.

Billing Considerations

Understanding the ethical implications and patient preferences in the context of elective fetal reduction.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive assessment of maternal and fetal health, including ultrasound findings and risk assessments.

Common Clinical Scenarios

Management of high-risk pregnancies, including those complicated by TTTS and other conditions associated with multiple gestations.

Billing Considerations

Coordination of care among multiple providers and ensuring thorough documentation of all interventions and outcomes.

Coding Guidelines

Inclusion Criteria

Use O31.32 When
  • According to ICD
  • 10 coding guidelines, O31
  • 32 should be used when documenting a continuing pregnancy after elective fetal reduction, specifically in the second trimester
  • Coders must ensure that the documentation supports the use of this code, including details about the procedure and any complications that arise

Exclusion Criteria

Do NOT use O31.32 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

59000CPT Code

Ultrasound, pregnant uterus, transabdominal, real-time with image documentation

Clinical Scenario

Used for monitoring the pregnancy after fetal reduction to assess fetal growth and well-being.

Documentation Requirements

Documentation of ultrasound findings and any interventions performed.

Specialty Considerations

Obstetricians should ensure that ultrasound reports are detailed and include assessments of both the remaining fetus and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, including those related to fetal reduction. This specificity helps in better tracking of outcomes and complications associated with multiple gestations.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, including those related to fetal reduction. This specificity helps in better tracking of outcomes and complications associated with multiple gestations.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, including those related to fetal reduction. This specificity helps in better tracking of outcomes and complications associated with multiple gestations.

Resources

Clinical References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Coding & Billing References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Frequently Asked Questions

What is the significance of coding O31.32?

Coding O31.32 is crucial for accurately reflecting the complexity of managing pregnancies after elective fetal reduction. It ensures that healthcare providers are appropriately reimbursed for the care provided and helps in tracking outcomes for high-risk pregnancies.