O24.3 is the authoritative medical code for Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium. This classification is used in medical billing and clinical recording to specify the clinical criteria for unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium (ICD-10-CM O24.3), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium is a non-billable ICD-10-CM category code O24.3. A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): maternal care related to the fetus and amniotic cavity and possible delivery problems O30-O48; maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium O98-O99. Use additional code: code for:; from category E11 to further identify any manifestation; injectable non-insulin antidiabetic drugs Z79.85; long-term current use of insulin Z79.4.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for O24.3 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- maternal care related to the fetus and amniotic cavity and possible delivery problems O30-O48
- maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium O98-O99
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code for:
- from category E11 to further identify any manifestation
- injectable non-insulin antidiabetic drugs Z79.85
- long-term current use of insulin Z79.4
Frequently Asked Questions (FAQ) & Clinical Guidance
Can O24.3 be billed directly?
No. O24.3 (Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Can O24.3 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, O24.3 and the following are not considered part of each other and may both be reported when both conditions are present: maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48); maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99).
Is an additional code needed with O24.3?
Use additional code(s) to specify: code (for):; from category E11 to further identify any manifestation; injectable non-insulin antidiabetic drugs (Z79.85); long-term (current) use of insulin (Z79.4).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to O24.3 in its code family, with their registry titles.
- O24.31 — Unspecified pre-existing diabetes mellitus in pregnancy
- O24.311 — Unspecified pre-existing diabetes mellitus in pregnancy, first trimester
- O24.312 — Unspecified pre-existing diabetes mellitus in pregnancy, second trimester
- O24.313 — Unspecified pre-existing diabetes mellitus in pregnancy, third trimester
- O24.319 — Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester
- O24.32 — Unspecified pre-existing diabetes mellitus in childbirth
- O24.33 — Unspecified pre-existing diabetes mellitus in the puerperium