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ICD-10 Guide
ICD-10 CodesO33.4

O33.4

Billable

Maternal care for disproportion of mixed maternal and fetal origin

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

Code Description

ICD-10 O33.4 is a billable code used to indicate a diagnosis of maternal care for disproportion of mixed maternal and fetal origin.

Key Diagnostic Point:

Maternal care for disproportion of mixed maternal and fetal origin refers to the clinical scenario where there is a mismatch between the size and shape of the maternal pelvis and the size of the fetus, which can lead to complications during labor and delivery. This condition can arise from various factors, including maternal anatomical variations, fetal size, and gestational age. Cephalopelvic disproportion (CPD) is a specific type of disproportion where the fetal head is too large to pass through the maternal pelvis. This can be due to fetal macrosomia, which is often associated with maternal diabetes, or pelvic abnormalities. Proper assessment and planning are crucial in managing this condition, as it may necessitate a cesarean delivery to ensure the safety of both mother and child. Careful monitoring and documentation of the mother's health, fetal growth, and pelvic measurements are essential components of maternal care for disproportion. The management plan may involve multidisciplinary teams, including obstetricians and maternal-fetal medicine specialists, to optimize outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in fetal size and maternal pelvic anatomy
  • Need for accurate measurement and assessment techniques
  • Potential for multiple contributing factors (e.g., maternal health conditions)
  • Interdisciplinary collaboration required for management

Audit Risk Factors

  • Inadequate documentation of clinical assessments
  • Failure to capture all contributing factors to disproportion
  • Misclassification of fetal size or maternal pelvic measurements
  • Lack of clear care plans or management strategies

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed documentation of maternal health history, pelvic assessments, and fetal growth measurements.

Common Clinical Scenarios

Assessment of CPD during labor, planning for cesarean delivery due to disproportion.

Billing Considerations

Consideration of maternal comorbidities and their impact on delivery planning.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of high-risk factors, including diabetes and obesity.

Common Clinical Scenarios

Management of pregnancies with suspected macrosomia and planning for delivery.

Billing Considerations

Focus on advanced imaging and diagnostic techniques to assess fetal size and maternal anatomy.

Coding Guidelines

Inclusion Criteria

Use O33.4 When
  • According to official coding guidelines, O33
  • 4 should be used when there is clear documentation of maternal and fetal factors contributing to disproportion
  • Coders must ensure that all relevant clinical information is captured to support the diagnosis

Exclusion Criteria

Do NOT use O33.4 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

59510CPT Code

Cesarean delivery

Clinical Scenario

Used when a cesarean delivery is planned due to O33.4.

Documentation Requirements

Documentation must include indications for cesarean delivery and any relevant maternal and fetal assessments.

Specialty Considerations

Obstetricians must ensure that all clinical findings are documented to support the procedure.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of maternal care conditions, including O33.4, which provides better data for tracking maternal and fetal health outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of maternal care conditions, including O33.4, which provides better data for tracking maternal and fetal health outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of maternal care conditions, including O33.4, which provides better data for tracking maternal and fetal health outcomes.

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 factors contribute to the diagnosis of O33.4?

Factors contributing to O33.4 include maternal pelvic anatomy, fetal size, and any underlying maternal health conditions such as diabetes or obesity that may affect delivery.