| 10243-4 | Oxygen content in Inferior vena cava |
| 18006-7 | Inferior vena cava Diameter (us) |
| 18050-5 | Inferior vena cava Fractional collapse (us --inspiration) |
| 29429-8 | Inferior vena cava Diameter (us --inspiration) |
| 29459-5 | Inferior vena cava Diameter (us --expiration) |
| 79967-6 | Inferior vena cava Diameter at end expiration (us 2d) |
| 8586-0 | Inferior vena cava Mean blood pressure |
| 8850-0 | Inferior vena cava Oxygen saturation |
| 93634-4 | Inferior vena cava Collapse (qualitative, us) |
| 94121-1 | Inferior vena cava Blood pressure (us) |