Guidelines › Diabetes in pregnancy and gestational diabetes

Diabetes in pregnancy and gestational diabetes

Official text from the FY2027 ICD-10-CM Official Guidelines for Coding and Reporting. The wording is quoted exactly.

Guidelines I.C.15.g; I.C.15.i

“Pregnant patients who are diabetic should be assigned a code from category O24, Diabetes mellitus in pregnancy, childbirth, and the puerperium, first, followed by the appropriate diabetes code(s) (E08-E13) from Chapter 4.”

“No other code from category O24, Diabetes mellitus in pregnancy, childbirth, and the puerperium, should be used with a code from O24.4.”

“If a patient with gestational diabetes is treated with both diet and insulin, only the code for insulin-controlled is required.”

Where this applies

42 billable codes. Source: FY 2027 ICD-10-CM Official Guidelines for Coding and Reporting, effective October 1, 2026. Full Guidelines (PDF, CMS)