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Liver Protein Composition in Ascitic Fluid (Protein Profile)

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

This test measures the types and amounts of proteins found in fluid collected from your abdomen, often due to liver disease or swelling. It helps assess liver function and fluid balance.

Quick summary

["Understanding protein patterns in abdominal fluid can guide treatment for liver-related conditions."]

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

Key facts at a glance

LOINC
24811-2
Short code
CT Guided Liver PC fluid asp
Synonyms
CT Guided Liver PC fluid asp
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 Is This Test Done?

Your doctor may order this test if you have symptoms like swelling in the abdomen (ascites), unexplained weight loss, or signs of liver problems. It helps determine if fluid buildup is linked to liver disease, infection, or other conditions.

What Does the Test Involve?

A small amount of fluid is drained from your abdomen using a needle. The fluid is then sent to the lab for protein analysis. The test checks for different protein types, including albumin, globulins, and other substances.

What Are Common Findings?

Typically, albumin levels are lower in ascitic fluid from liver-related causes, while globulins may be elevated. Variations can indicate conditions like cirrhosis, infections, or kidney disease.

How Is the Test Performed?

The procedure is usually done under local anesthesia to minimize discomfort. You’ll lie on your back, and a doctor will insert a needle into your abdomen to collect fluid. The test itself is quick but may cause mild discomfort.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Liver Fluid Protein Analysis

Frequently asked questions

What does a high or low protein level in ascitic fluid mean?
High protein levels may suggest inflammation or infection, while low levels often point to liver disease, such as cirrhosis, which reduces protein production. Your doctor will interpret results in the context of your overall health.
How often will I need this test?
Your doctor will determine how often you need this test based on your medical condition. Some patients may need it monthly or more frequently if their liver function is unstable or they’re undergoing treatment.
Can I eat or drink before the test?
You can typically eat and drink normally before the test unless your doctor advises otherwise. The procedure itself doesn’t require fasting, but follow any specific instructions your healthcare provider gives you.
  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