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Cannulation Status (Probe) - Plasma

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

This test evaluates whether a medical cannula (a tube inserted into a vein) is properly placed in your bloodstream. It helps confirm the correct position of the catheter before or after use.

Quick summary

["A simple check to ensure your IV line is correctly inserted for safe and effective treatment."]

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

Key facts at a glance

LOINC
111889-2
Short code
PANCANN
Synonyms
Cannulation status PD Endscpy
Category
chemistry
Sample
serum
Container
Not applicable - procedure-based documentation; serum sample collected in red-top vacutainer or SST tube if concurrent laboratory testing is performed
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–99 years
Method
endoscopy
CPT
43260
SNOMED
386700009
Specimen volume
Not applicable (procedural finding); if serum obtained for ancillary testing: 3-5 mL
Stability
Not applicable to the endoscopic finding itself; serum specimens stable for 8 hours at room temperature or 48 hours at 2-8°C if concurrent testing performed
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
1–24 hours
Order
routine

What Is This Test Measuring?

This test uses a small sample of blood drawn from the same vein where the cannula is inserted. A probe detects whether the tip of the cannula is positioned correctly within an artery or vein, ensuring it reaches the intended vascular space. It does not measure specific blood components but confirms placement via electrical or pressure-based signals.

Why Might You Need This Test?

Your healthcare provider may order this test if you have a newly inserted cannula, are experiencing unusual symptoms (like pain, swelling, or bruising at the insertion site), or if you’re receiving treatments that require precise catheter placement (e.g., chemotherapy, dialysis, or blood draws). It helps prevent complications like incorrect catheter placement or vascular damage.

What to Expect During the Test

You’ll lie down or sit comfortably while a healthcare professional inserts a small needle into your vein. A thin, flexible tube (the cannula) is threaded through the needle into your vein. The probe is then inserted through the cannula to check its position. The process takes just a few minutes, and you may feel a brief pinch during the needle insertion.

Preparation and Restrictions

No special preparation is needed. You can eat, drink, or take medications as usual. Avoid using the affected arm for blood pressure checks or injections for 24 hours after the test if instructed by your provider.

Reference range

Successful cannulation of the pancreatic duct is the expected outcome during ERCP. Result reported as: Successful cannulation / Unsuccessful cannulation / Partial cannulation / Not applicableN/A

Specimen: serum

NPO (nothing by mouth) for at least 6-8 hours prior to the endoscopic procedure. Informed consent required. Review of coagulation status, allergies (especially to contrast media), current medications (anticoagulants, antiplatelets), and comorbidities (cardiopulmonary status) is mandatory. Pre-procedure antibiotics may be administered per institutional protocol.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Incorrect cannula placement can lead to complications such as bleeding, infection, nerve damage, or improper delivery of medications. This test ensures the cannula is correctly positioned, reducing risks and improving treatment efficacy. If the probe detects an error, your provider will adjust the catheter placement immediately.

Short name

Cannulation Status Probe

Frequently asked questions

How long does the test take?
The actual probe check itself takes only a few seconds, but the entire procedure (including drawing a small blood sample for verification if needed) may take about 5–10 minutes.
Can I move around after the test?
Yes, you can resume normal activities immediately. However, avoid vigorous movement or heavy lifting with the affected arm for 24 hours to prevent bruising or discomfort.
Will I feel any pain or discomfort?
You may feel a slight pinch during the needle insertion, but the probe check itself is painless. Most people describe it as a gentle pressure or sensation similar to a blood draw.
  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