O29 vs O98
O29 (Complications of anesthesia during pregnancy) compared with O98 (Maternal infectious and parasitic 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. O29 carries an Excludes2 note covering O98: “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
| O29Complications of anesthesia during pregnancy | O98Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) |
| Definition | Complications of anesthesia during pregnancy is a non-billable ICD-10-CM category code (O29). | Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium is a non-billable ICD-10-CM category code (O98). |
| Includes | maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy | the listed conditions when complicating the pregnant state, when aggravated by the pregnancy, or as a reason for obstetric care |
| Use additional code | code, if necessary, to identify the complication | code (Chapter 1), to identify specific infectious or parasitic disease |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources