| 35747-5 | Hydrogen ion (Arterial Blood) |
| 50858-0 | Hydrogen ion in Mixed venous cord blood |
| 50859-8 | Hydrogen ion in Venous cord blood |
| 50860-6 | Hydrogen ion in Arterial cord blood |
| 50861-4 | Hydrogen ion (Capillary Blood) |
| 50862-2 | Hydrogen ion in Cord blood |
| 50863-0 | Hydrogen ion (Blood) |
| 50864-8 | Hydrogen ion (Venous Blood) |
| 50865-5 | Hydrogen ion |
| 53143-4 | Hydrogen ion in Mixed venous blood |