A Guide for Health Professionals Gestational Diabetes ICD-10 Codes

gestational diabetes icd 10 code

Gestational diabetes mellitus (GDM) is a significant health concern affecting pregnant women worldwide. As health professionals, it is crucial to have a clear understanding of the diagnostic codes used to classify and manage this condition. The International Classification of Diseases, 10th Revision (ICD-10), provides specific codes for gestational diabetes, which help standardize diagnosis, treatment, and billing processes. This blog aims to demystify gestational diabetes ICD-10 coding for health professionals, ensuring accurate documentation and optimal patient care.

What is Gestational Diabetes?

Gestational diabetes is a type of diabetes that develops during pregnancy and usually resolves after childbirth. It is characterized by high blood sugar levels that can affect both the mother and the baby. Early diagnosis and proper management are crucial to prevent complications such as preeclampsia, cesarean delivery, and neonatal hypoglycemia.

If a patient of yours needs help with diet and management, please refer them to my course, blog, Instagram, or membership for helpful information on lifestyle management. 

ICD-10 Codes for Gestational Diabetes

The gestational diabetes ICD-10 codes fall under the category O24, which covers diabetes mellitus in pregnancy, childbirth, and the puerperium. Here’s a detailed breakdown of the relevant codes:

  1. O24.4 – Gestational Diabetes Mellitus
    • This code is used for general cases of gestational diabetes and is further divided based on the type of treatment required.
  2. O24.410 – Gestational Diabetes Mellitus, Diet Controlled
    • Use this code for patients whose gestational diabetes is managed through dietary modifications alone.
  3. O24.414 – Gestational Diabetes Mellitus, Insulin Controlled
    • This code applies to cases where the patient requires insulin therapy to manage blood glucose levels.
  4. O24.415 – Gestational Diabetes Mellitus, Controlled by Oral Hypoglycemic Drugs
    • This is for patients who control their gestational diabetes with oral medications.
  5. O24.419 – Gestational Diabetes Mellitus, Unspecified Control
    • Use this code when the type of control (diet, insulin, or oral medication) is not specified in the documentation.

Importance of Accurate Coding

Accurate coding of gestational diabetes is essential for several reasons:

  • Clinical Management: Correct coding helps healthcare providers track the patient’s condition and ensure appropriate treatment plans.
  • Research and Public Health: Data from ICD-10 codes contribute to research on the prevalence and outcomes of gestational diabetes, aiding in public health initiatives.
  • Billing and Reimbursement: Proper coding ensures that healthcare facilities and providers receive appropriate reimbursement for the services rendered.

Tips for Health Care Professionals

  1. Detailed Documentation: Ensure thorough documentation of the patient’s condition, including the type of treatment used for managing gestational diabetes.
  2. Collaboration: Work closely with other healthcare providers, including dietitians, OBGYNs, and endocrinologists, to get comprehensive information about the patient’s treatment plan.
  3. Education: Stay updated with the latest guidelines and practices related to gestational diabetes management and ICD-10 coding.
  4. Patient Communication: Educate patients about the importance of adhering to their treatment plan and the implications of their condition.


Understanding and accurately using the ICD-10 codes for gestational diabetes is a vital aspect of nursing practice. It ensures high-quality patient care, supports effective clinical management, and facilitates proper billing and reimbursement processes. By staying informed and vigilant, nurses can play a pivotal role in the care and management of pregnant women with gestational diabetes.

For more information and resources on gestational diabetes, consider reaching out to professional organizations such as the American Diabetes Association or the American College of Obstetricians and Gynecologists.

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Ginger Cochran is a Registered Dietitian Nutritionist, functional medicine practitioner, Certified Diabetes Educator & Care Specialist, Certified Wellness Coach, Certified Exercise Physiologist, and owner of Nutritious Ginger, an integrative and functional nutrition practice focusing on full body self-care and nourishment. Ginger’s primary specialty is women’s health, with a special emphasis on gestational diabetes, weight management, infertility, digestive wellness, and overall health + happiness.
Ginger serves on the board of director for the Nutrition Care Manual by the Academy of Nutrition and Dietetics.