O24.113 vs O48
O24.113 (Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester) compared with O48 (Late pregnancy), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. O24.113 carries an Excludes2 note covering O48: “maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| O24.113Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester | O48Late pregnancy | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) |
| Definition | Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester is a billable ICD-10-CM diagnosis code (O24.113). | Late pregnancy is a non-billable ICD-10-CM category code (O48). |
| Use additional code | code (for): from category E11 to further identify any manifestations injectable non-insulin antidiabetic drugs (Z79.85) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources