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Guided Pelvic Drainage Fluid Analysis (via Catheter)

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

This test analyzes fluid collected from a drainage catheter placed in your pelvic area, often after surgery or medical intervention. It helps assess the presence of infection, fluid buildup, or other complications.

Quick summary

["This test helps doctors monitor your recovery by checking for signs of infection or abnormal fluid in your pelvis."]

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

Key facts at a glance

LOINC
35921-6
Short code
CT Guided Pelvis Drain+cath place
Synonyms
CT Guided Pelvis 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 have a drainage catheter in your pelvic area, such as after abdominal or pelvic surgery, trauma, or other conditions requiring fluid removal. It helps track how well your body is healing and whether there are signs of complications like infection or swelling.

What to Expect Before the Test

No special preparation is needed beyond standard precautions. The drainage catheter is already in place, and fluid is collected as it drains naturally. The test involves sending the collected fluid to a lab for analysis.

What the Test Measures

The fluid sample is examined for several key factors, including: - Presence of infection (e.g., white blood cells, bacteria). - Amount of protein or other substances indicating inflammation or leakage. - pH levels or other chemical markers that may signal complications.

Possible Results and Their Meaning

Results may show: - Normal drainage fluid with no signs of infection or abnormal buildup. - Elevated white blood cells or bacteria, suggesting infection. - Changes in fluid chemistry (e.g., high protein, low pH) that may indicate swelling, leakage, or other issues.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is critical for early detection of complications such as infection, abscess formation, or fluid accumulation (e.g., ascites or seroma). Prompt identification of these issues allows for timely treatment, improving your recovery and reducing risks of further harm.

Short name

Pelvic Drain Fluid Test

Frequently asked questions

What does a positive or abnormal result mean?
An abnormal result may indicate an infection, inflammation, or other complications in your pelvic area. Your doctor will discuss these findings with you and may recommend further treatment or monitoring.
How often will I need this test?
The frequency depends on your medical condition and recovery progress. Your healthcare provider will determine how often you need follow-up tests based on your individual care plan.
Can I eat or drink before this test?
No special dietary restrictions apply. You can eat and drink normally unless instructed otherwise by your doctor, as the test involves collecting fluid from the catheter as it drains.
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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