Urinary Bladder Drainage Fluid Analysis for Specific Pathogen Detection (via Catheter)
This test checks for infections in fluid collected from your bladder using a catheter. It helps determine if bacteria or other pathogens are present.
["A bladder infection may need treatment to prevent complications like kidney damage or recurring infections."]
Key facts at a glance
- LOINC
- 86397-7
- Short code
- RF Guided Bladder Drain+SP cath place
- Synonyms
- RF Guided Bladder Drain+SP 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
- rf
- CPT
- 86430
- 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 doctor may order this test if you have symptoms like frequent urination, pain during urination, fever, or cloudy/painted urine. It’s also used to diagnose bladder infections (cystitis) or urinary tract infections (UTIs) that aren’t responding to initial treatment.
How the Test Works
A sterile catheter is inserted into your bladder to collect fluid. The sample is then sent to a lab to grow bacteria or other microbes. If pathogens are found, they’re identified to guide antibiotic treatment.
What to Expect Before the Test
You may need to empty your bladder beforehand, and you might feel mild discomfort during catheter insertion. Avoid alcohol or certain medications that could affect lab results for 24 hours before the test.
What to Expect During the Test
The procedure takes about 10–15 minutes. You’ll lie down while the doctor inserts the catheter, and the fluid is collected into a sterile container. You may feel pressure or slight discomfort but shouldn’t experience pain.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Positive results confirm a bladder infection, guiding targeted antibiotic therapy. Negative results mean no active infection is detected, but persistent symptoms may still require further evaluation (e.g., imaging or repeat cultures). This test helps avoid unnecessary antibiotics and reduces risks like antibiotic resistance.
Short name
Urinary Bladder Fluid Culture
Frequently asked questions
How long does it take to get results?
What if I have no symptoms but the test is still needed?
Can I drink water before the test?
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