| 4A04050 | Measurement of Venous Flow, Central, Open Approach |
| 4A04051 | Measurement of Venous Flow, Peripheral, Open Approach |
| 4A04052 | Measurement of Venous Flow, Portal, Open Approach |
| 4A04053 | Measurement of Venous Flow, Pulmonary, Open Approach |
| 4A040B0 | Measurement of Venous Pressure, Central, Open Approach |
| 4A040B1 | Measurement of Venous Pressure, Peripheral, Open Approach |
| 4A040B2 | Measurement of Venous Pressure, Portal, Open Approach |
| 4A040B3 | Measurement of Venous Pressure, Pulmonary, Open Approach |
| 4A040J0 | Measurement of Venous Pulse, Central, Open Approach |
| 4A040J1 | Measurement of Venous Pulse, Peripheral, Open Approach |
| 4A040J2 | Measurement of Venous Pulse, Portal, Open Approach |
| 4A040J3 | Measurement of Venous Pulse, Pulmonary, Open Approach |
| 4A040R1 | Measurement of Venous Saturation, Peripheral, Open Approach |
| 4A04350 | Measurement of Venous Flow, Central, Percutaneous Approach |
| 4A04351 | Measurement of Venous Flow, Peripheral, Percutaneous Approach |
| 4A04352 | Measurement of Venous Flow, Portal, Percutaneous Approach |
| 4A04353 | Measurement of Venous Flow, Pulmonary, Percutaneous Approach |
| 4A043B0 | Measurement of Venous Pressure, Central, Percutaneous Approach |
| 4A043B1 | Measurement of Venous Pressure, Peripheral, Percutaneous Approach |
| 4A043B2 | Measurement of Venous Pressure, Portal, Percutaneous Approach |
| 4A043B3 | Measurement of Venous Pressure, Pulmonary, Percutaneous Approach |
| 4A043J0 | Measurement of Venous Pulse, Central, Percutaneous Approach |
| 4A043J1 | Measurement of Venous Pulse, Peripheral, Percutaneous Approach |
| 4A043J2 | Measurement of Venous Pulse, Portal, Percutaneous Approach |
| 4A043J3 | Measurement of Venous Pulse, Pulmonary, Percutaneous Approach |
| 4A043R1 | Measurement of Venous Saturation, Peripheral, Percutaneous Approach |
| 4A044B2 | Measurement of Venous Pressure, Portal, Percutaneous Endoscopic Approach |
| 4A04X51 | Measurement of Venous Flow, Peripheral, External Approach |
| 4A04XB1 | Measurement of Venous Pressure, Peripheral, External Approach |
| 4A04XR1 | Measurement of Venous Saturation, Peripheral, External Approach |
