J12 vs O74.0
J12 (Viral pneumonia, not elsewhere classified) compared with O74.0 (Aspiration pneumonitis due to anesthesia during labor and delivery), 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. J12 carries an Excludes2 note covering O74.0: “aspiration pneumonia due to anesthesia during labor and delivery (O74.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| J12Viral pneumonia, not elsewhere classified | O74.0Aspiration pneumonitis due to anesthesia during labor and delivery | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | J00-J99 — Diseases of the Respiratory System (J00-J99) | O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A) |
| Definition | Viral pneumonia, not elsewhere classified is a non-billable ICD-10-CM category code (J12). | Aspiration pneumonitis due to anesthesia during labor and delivery is a billable ICD-10-CM diagnosis code (O74.0). |
| Includes | bronchopneumonia due to viruses other than influenza viruses | maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during labor and delivery Inhalation of stomach contents or secretions NOS due to anesthesia during labor and delivery Mendelson's syndrome due to anesthesia during labor and delivery |
| Use additional code | code, if applicable, to identify resistance to antimicrobial drugs (Z16.-) | code, if applicable, to identify specific complication |
| Code first | associated influenza, if applicable (J09.X1, J10.0-, J11.0-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources