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Urinary RNA (qualitative) by probe-based assay

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

This test detects the presence of RNA in your urine using a specialized probe method. RNA is a molecule involved in protein synthesis and can be present in urine under certain conditions.

Quick summary

["This test helps identify potential kidney or urinary tract issues by checking for abnormal RNA levels."]

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

Key facts at a glance

LOINC
5033-6
Short code
S aureus rRNA Spec Ql Probe
Synonyms
S aureus rRNA Spec Ql Probe
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe
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 Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like persistent pain in your back or sides, unusual swelling, or if they suspect a kidney condition. It can also be part of monitoring for certain genetic or metabolic disorders.

What to Expect Before the Test

No special preparation is needed. You’ll likely collect a urine sample in a clean container at a lab or clinic. If you’re using a home collection kit, follow the instructions carefully to ensure accuracy.

What the Test Results Mean

A positive result (detecting RNA) may indicate kidney disease, urinary tract infection, or other conditions affecting RNA metabolism. A negative result means no detectable RNA in this sample, but further testing may still be needed.

Common Conditions Monitored or Diagnosed

This test is sometimes used to assess kidney function, detect genetic disorders (like certain metabolic or hereditary conditions), or evaluate urinary tract health. It’s not a routine screening test but may be part of specialized diagnostic workups.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Urinary RNA probe test

Frequently asked questions

What does a positive result mean?
A positive result means RNA was detected in your urine sample, which could suggest kidney issues, urinary tract abnormalities, or conditions affecting RNA processing. Your doctor will discuss next steps based on your symptoms and lab findings.
How often should I get this test?
This test is not a standard screening tool. Your doctor will determine if and how often to repeat it based on your specific medical needs, such as monitoring a known condition or evaluating symptoms.
Can I drink water before this test?
Yes, you can drink water before collecting your urine sample unless your doctor specifies otherwise. Avoid excessive fluid intake that might dilute the sample, as this could affect results.
  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