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ICD-10 Guide
ICD-10 CodesO34.591

O34.591

Billable

Maternal care for other abnormalities of gravid uterus, first trimester

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

Code Description

ICD-10 O34.591 is a billable code used to indicate a diagnosis of maternal care for other abnormalities of gravid uterus, first trimester.

Key Diagnostic Point:

O34.591 is used to document maternal care for abnormalities of the gravid uterus during the first trimester of pregnancy. This code encompasses a range of conditions that may affect the uterus, including abnormalities of pelvic organs, previous cesarean deliveries, and uterine scarring. These conditions can complicate pregnancy and may require specialized monitoring and management. Abnormalities of the pelvic organs can include congenital malformations or acquired conditions that may impact the uterus's ability to support a pregnancy. Previous cesarean sections can lead to uterine scarring, which may increase the risk of complications such as uterine rupture or placenta accreta in subsequent pregnancies. Careful assessment and documentation of these factors are essential for ensuring optimal maternal and fetal outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of pelvic organ abnormalities that may require different management strategies.
  • Need for detailed documentation of previous cesarean sections and their implications.
  • Potential for multiple comorbidities affecting pregnancy outcomes.
  • Variability in clinical presentation and management of uterine scarring.

Audit Risk Factors

  • Inadequate documentation of previous cesarean sections.
  • Failure to note specific pelvic organ abnormalities.
  • Misclassification of the trimester of care.
  • Lack of clarity in the clinical rationale for the use of this code.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation must include detailed maternal history, including previous surgeries, current symptoms, and any imaging studies performed.

Common Clinical Scenarios

Patients with a history of uterine fibroids, endometriosis, or previous cesarean sections presenting for early pregnancy care.

Billing Considerations

Consideration of the potential impact of pelvic organ abnormalities on labor and delivery plans.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancy documentation must include comprehensive assessments of maternal and fetal well-being, including ultrasound findings and risk assessments.

Common Clinical Scenarios

Management of pregnancies complicated by uterine anomalies or significant scarring from prior surgeries.

Billing Considerations

Close monitoring for complications such as preterm labor or placental issues.

Coding Guidelines

Inclusion Criteria

Use O34.591 When
  • According to official coding guidelines, O34
  • 591 should be used when there is clear documentation of abnormalities of the gravid uterus in the first trimester
  • Coders must ensure that the documentation supports the diagnosis and reflects the complexity of care provided

Exclusion Criteria

Do NOT use O34.591 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

59400CPT Code

Obstetrical care including antepartum care, delivery, and postpartum care

Clinical Scenario

Used for comprehensive obstetric care in patients with documented uterine abnormalities.

Documentation Requirements

Complete documentation of all prenatal visits, delivery, and postpartum follow-up.

Specialty Considerations

Obstetricians must ensure that all aspects of care are documented to support billing.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of maternal conditions, including those related to uterine abnormalities. This specificity aids in better tracking of maternal health outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of maternal conditions, including those related to uterine abnormalities. This specificity aids in better tracking of maternal health outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of maternal conditions, including those related to uterine abnormalities. This specificity aids in better tracking of maternal health outcomes and resource allocation.

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 should be documented to support the use of O34.591?

Documentation should include a detailed maternal history, including any previous surgeries, current symptoms, and results from imaging studies that indicate abnormalities of the uterus.