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ICD-10 Guide
ICD-10 CodesO24.12

O24.12

Billable

Pre-existing type 2 diabetes mellitus, in childbirth

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

Code Description

ICD-10 O24.12 is a billable code used to indicate a diagnosis of pre-existing type 2 diabetes mellitus, in childbirth.

Key Diagnostic Point:

Pre-existing type 2 diabetes mellitus in childbirth refers to the management and implications of a pregnant woman who has been diagnosed with type 2 diabetes prior to conception. This condition requires careful monitoring and management throughout pregnancy and during labor to mitigate risks to both the mother and the fetus. Women with pre-existing type 2 diabetes are at increased risk for complications such as macrosomia, preeclampsia, and cesarean delivery. Insulin management is crucial, as blood glucose levels must be tightly controlled to prevent adverse outcomes. Fetal monitoring is also essential, as these pregnancies may require additional surveillance for fetal growth and well-being. The healthcare team must coordinate care, including dietary management, medication adjustments, and regular glucose monitoring, to ensure optimal outcomes for both mother and child.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Need for precise documentation of pre-existing conditions and their management
  • Variability in insulin management protocols among different providers
  • Potential for multiple comorbidities affecting pregnancy outcomes
  • Increased risk of complications requiring additional coding

Audit Risk Factors

  • Inadequate documentation of diabetes management during pregnancy
  • Failure to document complications related to diabetes
  • Incorrect coding of insulin use or adjustments
  • Lack of clear linkage between diagnosis and treatment provided

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation must include details of the patient's diabetes management plan, including insulin regimen, dietary modifications, and any complications encountered during pregnancy.

Common Clinical Scenarios

Common scenarios include insulin adjustments during labor, management of hypoglycemia, and monitoring for fetal distress.

Billing Considerations

Coders must ensure that all aspects of diabetes management are documented, including consultations with endocrinology if applicable.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancy documentation must include detailed fetal monitoring results, maternal health assessments, and any interventions performed.

Common Clinical Scenarios

Complex scenarios may involve managing preeclampsia in a diabetic patient or planning for a cesarean delivery due to fetal macrosomia.

Billing Considerations

Considerations include the need for specialized care plans and potential referrals to other specialists.

Coding Guidelines

Inclusion Criteria

Use O24.12 When
  • Coders should refer to the official ICD
  • CM coding guidelines for obstetric conditions, ensuring that all relevant details about the patient's diabetes and its management during pregnancy are captured accurately

Exclusion Criteria

Do NOT use O24.12 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

59400CPT Code

Obstetrical delivery, vaginal

Clinical Scenario

Used for vaginal delivery of a patient with pre-existing type 2 diabetes.

Documentation Requirements

Documentation must include details of the delivery, any complications, and management of diabetes during labor.

Specialty Considerations

Obstetricians should document any interventions related to diabetes management during delivery.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of diabetes-related conditions in pregnancy, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of diabetes-related conditions in pregnancy, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    American Diabetes Association - Diabetes Care in Pregnancy

Coding & Billing References

  • •
    American Diabetes Association - Diabetes Care in Pregnancy

Frequently Asked Questions

What is the difference between pre-existing type 2 diabetes and gestational diabetes?

Pre-existing type 2 diabetes is a chronic condition diagnosed before pregnancy, while gestational diabetes develops during pregnancy and typically resolves after delivery. Accurate coding is essential to reflect the patient's condition correctly.