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ICD-10 Guide
ICD-10 CodesO24.42

O24.42

Billable

Gestational diabetes mellitus in childbirth

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

Code Description

ICD-10 O24.42 is a billable code used to indicate a diagnosis of gestational diabetes mellitus in childbirth.

Key Diagnostic Point:

Gestational diabetes mellitus (GDM) is a form of diabetes that develops during pregnancy and typically resolves after childbirth. It is characterized by glucose intolerance that is first recognized during pregnancy. The condition can lead to various complications for both the mother and the fetus, including macrosomia, preeclampsia, and increased risk of cesarean delivery. Management of GDM often involves dietary modifications, blood glucose monitoring, and, in some cases, insulin therapy. During childbirth, careful monitoring of maternal and fetal glucose levels is crucial to ensure optimal outcomes. The presence of GDM in childbirth necessitates a multidisciplinary approach, including obstetricians, endocrinologists, and dietitians, to manage the condition effectively and mitigate risks associated with elevated blood glucose levels during labor and delivery.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in insulin management protocols
  • Need for continuous fetal monitoring during labor
  • Potential for complications requiring immediate intervention
  • Documentation of blood glucose levels and management strategies

Audit Risk Factors

  • Inadequate documentation of blood glucose levels
  • Failure to document insulin management protocols
  • Misclassification of gestational diabetes as pre-existing diabetes
  • Lack of detailed notes on fetal monitoring during labor

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation must include details of the patient's diabetes management plan, glucose monitoring results, and any complications during labor.

Common Clinical Scenarios

Common scenarios include patients requiring insulin during labor, those with fluctuating glucose levels, and cases where fetal monitoring indicates distress.

Billing Considerations

Coders should ensure that all aspects of diabetes management are documented, including dietary changes and medication adjustments.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancy documentation must include comprehensive assessments of maternal and fetal health, including ultrasound findings and any interventions.

Common Clinical Scenarios

Complex scenarios may involve patients with comorbidities, such as obesity or hypertension, alongside GDM.

Billing Considerations

Considerations include the need for specialized monitoring and potential interventions during labor.

Coding Guidelines

Inclusion Criteria

Use O24.42 When
  • Official coding guidelines for O24
  • 42 emphasize the importance of documenting the onset of diabetes during pregnancy, management strategies, and any complications that arise during labor and delivery
  • Coders should refer to the ICD
  • CM guidelines for specific instructions on coding diabetes in pregnancy

Exclusion Criteria

Do NOT use O24.42 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 of patients with GDM.

Documentation Requirements

Documentation must include details of diabetes management and any complications.

Specialty Considerations

Obstetricians should 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 gestational diabetes, improving the accuracy of data collection and reimbursement processes. It has also emphasized the importance of detailed documentation in managing pregnancy-related conditions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of gestational diabetes, improving the accuracy of data collection and reimbursement processes. It has also emphasized the importance of detailed documentation in managing pregnancy-related conditions.

Reimbursement & Billing Impact

reimbursement processes. It has also emphasized the importance of detailed documentation in managing pregnancy-related conditions.

Resources

Clinical References

  • •
    American Diabetes Association - Gestational Diabetes

Coding & Billing References

  • •
    American Diabetes Association - Gestational Diabetes

Frequently Asked Questions

What is the difference between gestational diabetes and pre-existing diabetes?

Gestational diabetes develops during pregnancy and typically resolves after childbirth, while pre-existing diabetes is a chronic condition that exists before pregnancy. Accurate coding requires distinguishing between the two to ensure appropriate management and billing.