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ICD-10 Guide
ICD-10 CodesO24.912

O24.912

Billable

Unspecified diabetes mellitus in pregnancy, second trimester

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

Code Description

ICD-10 O24.912 is a billable code used to indicate a diagnosis of unspecified diabetes mellitus in pregnancy, second trimester.

Key Diagnostic Point:

Unspecified diabetes mellitus in pregnancy, second trimester (O24.912) refers to a condition where a pregnant woman experiences diabetes that is not classified as gestational diabetes or pre-existing diabetes. This diagnosis is typically made during the second trimester, which spans from weeks 13 to 26 of gestation. Diabetes in pregnancy can lead to various complications for both the mother and fetus, including increased risk of preeclampsia, cesarean delivery, and macrosomia (large for gestational age). Management often involves monitoring blood glucose levels, dietary modifications, and potentially insulin therapy to maintain glycemic control. Regular fetal monitoring is crucial to assess fetal growth and well-being, as uncontrolled diabetes can lead to adverse outcomes such as fetal distress or stillbirth. Accurate coding is essential for proper management and reimbursement, as well as for tracking maternal and fetal health outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of diabetes (gestational vs. pre-existing)
  • Monitoring and documenting blood glucose levels and insulin management
  • Understanding the implications of diabetes on pregnancy outcomes
  • Co-morbid conditions that may complicate diabetes management

Audit Risk Factors

  • Inadequate documentation of diabetes management and monitoring
  • Failure to specify the type of diabetes present
  • Lack of clear documentation of fetal monitoring results
  • Inconsistent coding of related conditions (e.g., hypertension)

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation should include details of the patient's diabetes management, including blood glucose levels, dietary changes, and any insulin therapy prescribed.

Common Clinical Scenarios

A patient diagnosed with diabetes during the second trimester requiring dietary management and insulin therapy.

Billing Considerations

Ensure that all aspects of diabetes management are documented, including any referrals to dietitians or endocrinologists.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancy documentation should include detailed fetal monitoring results and any interventions taken to manage maternal diabetes.

Common Clinical Scenarios

A high-risk patient with a history of diabetes requiring close monitoring and potential intervention due to fetal growth concerns.

Billing Considerations

Consider the implications of diabetes on fetal development and the need for additional ultrasounds or tests.

Coding Guidelines

Inclusion Criteria

Use O24.912 When
  • Follow the official ICD
  • CM guidelines for coding diabetes in pregnancy, ensuring that the trimester is specified and that any related conditions are documented appropriately
  • Use additional codes to capture any complications or co
  • morbidities

Exclusion Criteria

Do NOT use O24.912 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, level 3

Clinical Scenario

Used for follow-up visits for diabetes management during pregnancy.

Documentation Requirements

Document the patient's diabetes management plan and any changes in treatment.

Specialty Considerations

Obstetricians should ensure that all aspects of diabetes care are addressed during visits.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of diabetes in pregnancy, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of documenting the type of diabetes and its management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of diabetes in pregnancy, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of documenting the type of diabetes and its management.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the importance of documenting the type of diabetes and its management.

Resources

Clinical References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Coding & Billing References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Frequently Asked Questions

What is the difference between unspecified diabetes and gestational diabetes?

Unspecified diabetes in pregnancy refers to diabetes that does not fit the criteria for gestational diabetes or pre-existing diabetes. It may require different management strategies and has distinct implications for maternal and fetal health.