10ICD Code Hub

O24.81

Header — not billable

Other pre-existing diabetes mellitus in pregnancy

The ICD-10 code for other pre-existing diabetes mellitus in pregnancy is O24.81.

O24.81 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under O24.81

Related codes in this category