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ICD-10 Guide
ICD-10 CodesO15.1

O15.1

Billable

Eclampsia complicating labor

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

Code Description

ICD-10 O15.1 is a billable code used to indicate a diagnosis of eclampsia complicating labor.

Key Diagnostic Point:

Eclampsia is a severe complication of pregnancy characterized by the onset of seizures in a woman with preeclampsia. It typically occurs after the 20th week of gestation and can manifest during labor or in the immediate postpartum period. The seizures are often generalized tonic-clonic in nature and can pose significant risks to both the mother and fetus, including maternal injury, fetal distress, and potential stillbirth. Management of eclampsia during labor involves immediate stabilization of the mother, which may include the administration of magnesium sulfate to prevent further seizures, antihypertensive medications to control blood pressure, and close monitoring of fetal well-being. Emergency delivery may be necessary, especially if the mother is experiencing severe symptoms or if fetal distress is noted. Neurologic complications can arise from prolonged seizures, including cerebral edema and potential long-term neurological deficits. Accurate coding of eclampsia complicating labor is crucial for appropriate clinical management and resource allocation.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Differentiating between eclampsia and other hypertensive disorders of pregnancy.
  • Understanding the timing of eclampsia in relation to labor and delivery.
  • Documenting the severity and frequency of seizures.
  • Co-morbid conditions that may complicate the clinical picture.

Audit Risk Factors

  • Inadequate documentation of seizure activity.
  • Failure to document the timing of eclampsia in relation to labor.
  • Misclassification of eclampsia severity.
  • Lack of clear treatment documentation.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed records of maternal vital signs, seizure activity, and fetal monitoring.

Common Clinical Scenarios

A patient presenting with severe headache and hypertension during labor, followed by seizures.

Billing Considerations

Ensure accurate documentation of the onset and duration of seizures, as well as interventions taken.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive assessment of maternal and fetal health, including risk factors for eclampsia.

Common Clinical Scenarios

Management of a high-risk pregnancy with a history of preeclampsia leading to eclampsia during labor.

Billing Considerations

Focus on the multidisciplinary approach to care and the need for timely interventions.

Coding Guidelines

Inclusion Criteria

Use O15.1 When
  • Follow the official ICD
  • CM coding guidelines for obstetric conditions, ensuring that the code reflects the specific circumstances of eclampsia during labor
  • Documentation must support the diagnosis and any associated complications

Exclusion Criteria

Do NOT use O15.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

59400CPT Code

Obstetrical delivery, vaginal

Clinical Scenario

Used when a vaginal delivery occurs after the onset of eclampsia.

Documentation Requirements

Document the delivery method and any complications encountered during labor.

Specialty Considerations

Obstetricians should ensure that all interventions related to eclampsia are documented.

59510CPT Code

Obstetrical delivery, cesarean

Clinical Scenario

Used when an emergency cesarean delivery is performed due to eclampsia.

Documentation Requirements

Document the indication for cesarean delivery and any complications.

Specialty Considerations

Ensure that the urgency of the situation is clearly documented.

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 eclampsia. This specificity aids in better tracking of maternal outcomes and resource allocation in healthcare settings.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, including eclampsia. This specificity aids in better tracking of maternal outcomes and resource allocation in healthcare settings.

Reimbursement & Billing Impact

reimbursement and quality reporting.

Resources

Clinical References

  • •
    ACOG Practice Bulletin on Hypertension in Pregnancy

Coding & Billing References

  • •
    ACOG Practice Bulletin on Hypertension in Pregnancy

Frequently Asked Questions

What is the difference between eclampsia and preeclampsia?

Preeclampsia is characterized by high blood pressure and signs of damage to other organ systems, while eclampsia includes the occurrence of seizures in a patient with preeclampsia. Eclampsia is a more severe condition requiring immediate medical intervention.