O24.312
BillableUnspecified pre-existing diabetes mellitus in pregnancy, second trimester
O24.312 is the ICD-10-CM code for Unspecified pre-existing diabetes mellitus in pregnancy, second trimester. It is a billable, specific code valid for reimbursement.
O00-O9A Pregnancy, childbirth and the puerperium
What this means — in plain language
MedlinePlus · NIHWhat is diabetes? If you have diabetes , your blood glucose , or blood sugar, levels are too high. Glucose comes from the foods you eat. A hormone called insulin helps the glucose get into your cells to give them energy. With type 1 diabetes , your body does not make insulin. With type 2 diabetes , your body does not make or use insulin well. Without enough insulin, the glucose stays in your blood. What is…
Read more about Diabetes and Pregnancy at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
- What is ICD-10 code O24.312?
- O24.312 is the ICD-10-CM code for "Unspecified pre-existing diabetes mellitus in pregnancy, second trimester". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
- Is O24.312 a billable code?
- Yes — O24.312 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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