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Catharterium Angiographic Device Pressure-Negative Luminal Pressure (Pressure Monitoring)

Published: August 9, 2026Updated: August 16, 2026

This test measures pressure inside a catheter tube used during an angiographic procedure to ensure proper placement and function of the device.

Quick summary

["Pressure monitoring helps prevent complications by confirming the catheter is correctly positioned in your blood vessels."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
78942-0
Short code
CATHANGP
Synonyms
Cath+angio device Pnl
Category
chemistry
Sample
serum
Container
Sterile specimen container or device-specific collection system; blood culture bottles for associated blood cultures; sterile transport medium for catheter tips
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
Not Applicable - Panel represents a device/microbiology testing protocol for catheterization and angiography equipment, not a chemistry assay
Specimen volume
Variable depending on specimen type: catheter tip segments (2-3 cm in sterile container), associated blood cultures (8-10 mL per bottle set), or device flush fluid (per institutional protocol)
Stability
Catheter tip specimens should be processed within 2 hours of collection at room temperature. Blood culture bottles should be incubated within 2 hours or refrigerated and processed within 24 hours. Transport medium specimens stable up to 48 hours at 2-8°C.
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
48–120 hours
Order
routine

What This Test Measures

The test involves inserting a specialized catheter through your blood vessels and measuring the pressure inside the catheter lumen (the hollow space inside the tube). This is done during an angiographic procedure, often to diagnose blockages, assess blood flow, or guide treatment like angioplasty.

Why It’s Done

Doctors may order this test if you’re undergoing an angiogram to check if the catheter is correctly placed in a coronary artery, peripheral artery, or other blood vessel. It helps ensure the catheter isn’t causing damage or leaking, which could affect your treatment plan.

Procedure Details

You’ll likely receive local anesthesia to numb the area where the catheter is inserted. The test is usually quick and painless once the catheter is in place. The pressure readings are monitored in real-time to confirm safety and accuracy during the procedure.

What to Expect After

After the procedure, you may have mild discomfort or bruising at the insertion site. Follow your doctor’s instructions for monitoring and any post-procedure care, such as rest or activity restrictions.

Reference range

Not Applicable. This panel is used for surveillance and quality control testing of catheterization and angiography devices rather than patient analyte quantification.N/A

Specimen: serum

No patient fasting required. If testing is performed in conjunction with a patient procedure, follow standard pre-procedural preparation protocols as directed by the clinical team.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

What does a pressure reading of this test indicate?
This test specifically measures the internal pressure of the catheter lumen during an angiographic procedure. Normal values depend on the specific blood vessel being assessed and the clinical context. Your doctor will interpret the results in relation to your procedure and overall health.
How is this test different from standard blood pressure measurements?
This test measures pressure inside a catheter tube placed within your blood vessels, not your blood pressure as measured at your arm or leg. It’s used during angiograms to ensure the catheter is functioning properly and safely within your arteries or other vessels.
Is this test painful?
You may feel mild discomfort or pressure during insertion, but local anesthesia is typically used to minimize pain. Most patients describe it as a brief, tolerable sensation similar to a needle prick, with no lasting discomfort afterward.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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