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ICD-10 Guide
ICD-10 CodesO24.8

O24.8

Billable

Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium

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

Code Description

ICD-10 O24.8 is a billable code used to indicate a diagnosis of other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium.

Key Diagnostic Point:

O24.8 refers to other forms of pre-existing diabetes mellitus that complicate pregnancy, childbirth, and the puerperium. This includes conditions such as Type 1 diabetes, Type 2 diabetes, and other specified types of diabetes that were diagnosed prior to pregnancy. Women with pre-existing diabetes face increased risks during pregnancy, including potential complications such as preeclampsia, macrosomia, and neonatal hypoglycemia. Management typically involves close monitoring of blood glucose levels, dietary modifications, and possibly insulin therapy to maintain optimal glycemic control. Fetal monitoring is crucial to assess fetal growth and well-being, as well as to identify any potential complications early. The healthcare team must ensure that the mother’s diabetes is well-managed throughout the pregnancy to minimize risks to both the mother and the fetus.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variety of diabetes types and their management protocols
  • Need for detailed documentation of blood glucose monitoring
  • Potential for multiple comorbidities affecting pregnancy
  • Variability in treatment plans based on individual patient needs

Audit Risk Factors

  • Inadequate documentation of pre-existing diabetes management
  • Failure to document insulin usage and adjustments
  • Lack of detailed fetal monitoring records
  • Inconsistent coding of complications related to diabetes

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation must include detailed accounts of the patient's diabetes management, including blood glucose levels, insulin dosages, and any complications encountered during pregnancy.

Common Clinical Scenarios

Common scenarios include managing a pregnant patient with Type 1 diabetes who requires insulin adjustments or a patient with Type 2 diabetes who develops complications such as hypertension.

Billing Considerations

Coders must ensure that all relevant complications and treatments are accurately documented to reflect the complexity of care provided.

Maternal-Fetal Medicine

Documentation Requirements

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

Common Clinical Scenarios

Complex maternal-fetal scenarios may involve patients with poorly controlled diabetes requiring specialized monitoring and interventions.

Billing Considerations

Considerations include the need for multidisciplinary care and the potential for rapid changes in patient status.

Coding Guidelines

Inclusion Criteria

Use O24.8 When
  • Coders should follow official ICD
  • 10 guidelines, ensuring that the diagnosis is supported by clinical documentation and that any complications are appropriately coded
  • Specific criteria for diabetes management during pregnancy must be adhered to

Exclusion Criteria

Do NOT use O24.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, level 3

Clinical Scenario

Used for routine follow-up visits for a patient with pre-existing diabetes during pregnancy.

Documentation Requirements

Documentation must include a review of blood glucose logs and any changes in management.

Specialty Considerations

Obstetricians should ensure that all aspects of diabetes management are documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of diabetes types and their complications, improving the accuracy of claims and enhancing patient care through better data tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of diabetes types and their complications, improving the accuracy of claims and enhancing patient care through better data tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of diabetes types and their complications, improving the accuracy of claims and enhancing patient care through better data tracking.

Resources

Clinical References

  • •
    American Diabetes Association - Diabetes and Pregnancy

Coding & Billing References

  • •
    American Diabetes Association - Diabetes and Pregnancy

Frequently Asked Questions

What is the difference between O24.8 and O24.4?

O24.8 is used for pre-existing diabetes that complicates pregnancy, while O24.4 is specifically for gestational diabetes that develops during pregnancy. Accurate coding is essential to reflect the patient's condition.