Measurement of Arterial Pre-Pump Blood Pressure (Hemodynamic Assessment)
This test measures the blood pressure in your arteries before blood flows through a pump (such as a ventricular assist device or dialysis machine). It helps doctors assess how well your circulatory system is functioning during certain medical procedures or devices.
This test helps evaluate blood flow and pressure in your arteries before mechanical assistance begins.
Key facts at a glance
- LOINC
- 72043-3
- Short code
- MEASUREMENTOFARTERIALPREPUMPPRESSUREPERFORMED
- Synonyms
- —
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- esrd
- CPT
- 86430
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why Is This Test Done?
Your healthcare provider may order this test if you have a condition requiring mechanical support for your heart or blood flow, such as a ventricular assist device (VAD) or dialysis. It helps ensure your body can handle the transition smoothly and identifies any potential issues before they become serious.
What Does This Test Involve?
A healthcare professional will insert a small tube (catheter) into an artery in your arm or leg. Blood will be drawn to measure the pressure before it passes through a pump. This is usually done in a hospital or clinic setting under medical supervision.
What to Expect Before the Test
You may be asked to fast for a short period before the test, depending on your medical condition. Inform your doctor about any medications you’re taking, as they may need to adjust your dose temporarily. You’ll likely be asked to lie still while the procedure is performed.
What to Expect During the Test
You may feel a slight pinch or pressure as the catheter is inserted. Some people experience mild discomfort or a brief sensation of warmth. The test usually takes a few minutes, and you’ll be monitored closely by a healthcare team.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test is critical for patients with circulatory support devices. Abnormal pressures may indicate problems like blockages, pump malfunctions, or inadequate blood flow. Early detection helps prevent complications and ensures your treatment remains effective.
Short name
Arterial Pre-Pump Pressure
Frequently asked questions
How often will I need this test?
Will I feel any pain during the test?
What if my pressure is outside the expected range?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy