Central Line or Catheter Placement Assessment (Qualitative)
This test evaluates whether a central venous catheter (like a PICC line or port) is correctly placed in your bloodstream. It helps ensure the catheter reaches the intended vein to avoid complications.
["A properly placed catheter reduces risks of infection or damage to blood vessels."]
Key facts at a glance
- LOINC
- 72052-4
- Short code
- DATECATHETERPLACEMENT
- Synonyms
- —
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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 This Test Matters
Central venous catheters are inserted to deliver medications, fluids, or blood products directly into your bloodstream. Placement must be verified to prevent complications such as air embolism, infection, or vein damage. This test confirms the catheter’s position in the correct vein (usually the subclavian, jugular, or femoral vein).
What to Expect Before the Test
No special preparation is needed. You may be asked to lie still while a healthcare provider uses imaging (like X-ray or ultrasound) to check the catheter’s position. Blood samples may be taken from the catheter or a separate vein for additional monitoring.
How the Test Works
The test involves visualizing the catheter’s tip using imaging techniques. Sometimes, a small amount of contrast dye is injected to make the catheter more visible on imaging. If the catheter is placed correctly, the tip should be in the superior vena cava or right atrium, depending on the procedure.
Common Uses and When It’s Ordered
This test is typically ordered after a central catheter is inserted to confirm proper placement before use. It may also be repeated if you experience symptoms like chest pain, shortness of breath, or signs of infection.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Incorrect catheter placement can lead to serious complications, including air in the bloodstream (air embolism), which can be life-threatening, or damage to nearby blood vessels or organs. Ensuring proper placement reduces these risks and improves treatment effectiveness.
Short name
Catheter Placement Check
Frequently asked questions
What does a positive or negative result mean?
Will I feel any pain or discomfort during the test?
How long does it take to get results?
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