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ICD-10 Guide
ICD-10 CodesO14.00

O14.00

Billable

Mild to moderate pre-eclampsia, unspecified trimester

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

Code Description

ICD-10 O14.00 is a billable code used to indicate a diagnosis of mild to moderate pre-eclampsia, unspecified trimester.

Key Diagnostic Point:

Mild to moderate pre-eclampsia is a pregnancy complication characterized by hypertension and proteinuria, typically occurring after the 20th week of gestation. This condition can lead to serious complications for both the mother and fetus if not managed properly. In mild to moderate cases, blood pressure readings are generally between 140/90 mmHg and 159/109 mmHg, and proteinuria is present but not at levels indicative of severe pre-eclampsia. Management often includes close monitoring, lifestyle modifications, and possibly medication to control blood pressure. Magnesium sulfate may be administered as a prophylactic measure against seizures, particularly if there are concerns about progression to severe pre-eclampsia or eclampsia. The unspecified trimester designation indicates that the exact timing of the diagnosis within the pregnancy is not documented, which can complicate management and coding. Understanding the nuances of this condition is crucial for accurate coding and ensuring appropriate care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of symptoms
  • Need for precise documentation of blood pressure and protein levels
  • Differentiation from severe pre-eclampsia and HELLP syndrome
  • Management protocols including magnesium sulfate administration

Audit Risk Factors

  • Inadequate documentation of blood pressure readings
  • Failure to document proteinuria levels
  • Misclassification of pre-eclampsia severity
  • Lack of clear treatment plans or follow-up notes

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed records of blood pressure, proteinuria, and treatment plans are essential for accurate coding.

Common Clinical Scenarios

Patients presenting with elevated blood pressure and proteinuria during routine prenatal visits.

Billing Considerations

Coders must ensure that the trimester is documented to avoid unspecified coding.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of maternal and fetal monitoring, including ultrasound findings and laboratory results.

Common Clinical Scenarios

Management of high-risk pregnancies with pre-eclampsia requiring specialized care.

Billing Considerations

High-risk factors must be clearly documented to support the complexity of care provided.

Coding Guidelines

Inclusion Criteria

Use O14.00 When
  • 10 coding guidelines for obstetric conditions emphasize the importance of documenting the trimester and the severity of conditions
  • For pre
  • eclampsia, coders must ensure that all relevant clinical data is captured to support the diagnosis

Exclusion Criteria

Do NOT use O14.00 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 management of a patient diagnosed with mild to moderate pre-eclampsia.

Documentation Requirements

Complete documentation of all visits, assessments, and treatments provided.

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 obstetric conditions, improving the ability to capture the nuances of pre-eclampsia and its management. This specificity aids in better tracking of outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, improving the ability to capture the nuances of pre-eclampsia and its management. This specificity aids in better tracking of outcomes and resource allocation.

Reimbursement & Billing Impact

reimbursement and compliance.

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 mild and severe pre-eclampsia?

Mild pre-eclampsia is characterized by elevated blood pressure and proteinuria without severe symptoms, while severe pre-eclampsia includes significantly higher blood pressure and may present with additional complications such as severe headaches, visual disturbances, or liver dysfunction.