O24.3
Header — not billableUnspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium
The ICD-10 code for unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium is O24.3.
O24.3 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Clinical notes
Use additional code
This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- O24.0Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperiumnon-billable header
- O24.1Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperiumnon-billable header
- O24.4Gestational diabetes mellitusnon-billable header
- O24.8Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperiumnon-billable header
- O24.9Unspecified diabetes mellitus in pregnancy, childbirth and the puerperiumnon-billable header
- O24.3Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperiumnon-billable header