O24.415 vs O99
O24.415 (Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs) compared with O99 (Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium), 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. O24.415 carries an Excludes2 note covering O99: “maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| O24.415Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs | O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium | |
|---|---|---|
| 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 | Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs is a billable ICD-10-CM diagnosis code (O24.415). | Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium is a non-billable ICD-10-CM category code (O99). |
| Includes | Gestational diabetes mellitus in pregnancy, controlled by oral antidiabetic drugs | conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care |
| Use additional code | — | code to identify specific condition |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources