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Liver Function Profile with Percutaneous Transhepatic Drainage Fluid Analysis

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

This test evaluates liver function and measures substances from fluid drained directly from your liver through a catheter. It helps assess liver health and drainage efficiency.

Quick summary

["This test helps doctors monitor liver function and drainage during procedures."]

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

Key facts at a glance

LOINC
42282-4
Short code
CT Guided Liver Absc drain+cath place
Synonyms
CT Guided Liver Absc drain+cath place
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ct
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 Is Done

Your healthcare provider may order this test if you’re undergoing a procedure to drain fluid from your liver, such as a percutaneous transhepatic drainage (PTD). It helps check how well your liver is working and whether fluid is draining properly from the bile ducts or other areas.

What to Expect Before the Test

You’ll likely be positioned on your side or back with the area prepared for the procedure. A local anesthetic may be used to numb the skin where the catheter is inserted. The test involves a small tube being placed into your liver to drain fluid, which is then collected and tested for specific substances.

What the Test Measures

The test analyzes fluid from your liver drainage system for substances like bile acids, proteins, and other markers that reflect liver function and drainage status. These measurements help determine if there’s blockage, infection, or other issues affecting fluid flow.

What the Results Mean

Results may indicate whether fluid is draining normally, if there’s an obstruction, or if additional medical intervention is needed. Elevated levels of certain substances could signal liver disease, infection, or other complications.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is critical for diagnosing and monitoring conditions like bile duct blockages, liver abscesses, or other drainage-related issues. It provides real-time data on liver function and fluid dynamics during and after the procedure, guiding treatment decisions.

Frequently asked questions

What does a positive or abnormal result mean?
An abnormal result may suggest problems such as blocked drainage, infection, or liver dysfunction. Your doctor will discuss these findings in detail and recommend next steps, such as further tests or treatments.
How often will I need this test?
The frequency depends on your medical condition and treatment plan. Your doctor will determine how often this test is needed based on your individual care needs.
Will I need to prepare for this test?
Preparation may include fasting for a short period before the procedure, depending on your doctor’s instructions. Follow any specific instructions they provide to ensure accurate results.
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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