ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesChapter 15: Pregnancy, childbirth and the puerperiumO31

O31

Billable

Complications specific to multiple gestation

Chapter 15:Pregnancy, childbirth and the puerperium

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

Code Description

ICD-10 O31 is a billable code used to indicate a diagnosis of complications specific to multiple gestation.

Key Diagnostic Point:

Complications specific to multiple gestation, particularly in cases of twin-to-twin transfusion syndrome (TTTS), involve a range of clinical challenges that arise when twins share a placenta. TTTS occurs when blood flow between the twins is imbalanced, leading to one twin receiving too much blood (the recipient) and the other too little (the donor). This condition can result in significant morbidity and mortality for both fetuses if not managed appropriately. Clinical manifestations may include differences in amniotic fluid levels, growth discrepancies, and potential heart failure in the recipient twin. Diagnosis typically involves ultrasound assessments to monitor amniotic fluid levels and fetal growth. Management strategies may include serial amnioreduction, laser photocoagulation of placental vessels, or delivery planning based on gestational age and severity of the condition. Accurate coding of these complications is crucial for appropriate reimbursement and quality of care tracking.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variability in clinical presentation of TTTS
  • Need for detailed ultrasound findings
  • Management options may vary significantly
  • Potential for multiple interventions and follow-ups

Audit Risk Factors

  • Inadequate documentation of ultrasound findings
  • Failure to specify the type of multiple gestation
  • Misclassification of complications
  • Lack of follow-up documentation for management

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed documentation of gestational age, ultrasound findings, and management plans.

Common Clinical Scenarios

Management of TTTS, monitoring of growth discrepancies, and planning for delivery.

Billing Considerations

Ensure that all complications are documented clearly to support coding and billing.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of high-risk factors, including maternal health and fetal assessments.

Common Clinical Scenarios

Complex cases involving TTTS, intrauterine interventions, and high-risk monitoring.

Billing Considerations

Focus on the detailed clinical picture and interventions performed to ensure accurate coding.

Coding Guidelines

Inclusion Criteria

Use O31 When
  • Follow official ICD
  • 10 guidelines for coding complications of multiple gestation, ensuring that all relevant clinical details are captured
  • Specific criteria for TTTS must be documented, including the severity and management strategies employed

Exclusion Criteria

Do NOT use O31 When
No specific exclusions found.

Related CPT Codes

59000CPT Code

Amniocentesis

Clinical Scenario

Used for diagnostic purposes in cases of suspected TTTS.

Documentation Requirements

Document indication for procedure and ultrasound findings.

Specialty Considerations

Ensure that maternal-fetal medicine specialists are involved in the documentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of complications related to multiple gestation, improving the ability to track and manage these complex cases.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of complications related to multiple gestation, improving the ability to track and manage these complex cases.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of complications related to multiple gestation, improving the ability to track and manage these complex cases.

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 twin-to-twin transfusion syndrome?

Twin-to-twin transfusion syndrome is a serious condition that occurs in pregnancies with identical twins sharing a placenta, leading to an imbalance in blood flow between the twins. This can result in significant health risks for both fetuses.