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Streptococcus DNA Detection (Plasma/Serum) – 24-Hour Urine Collection

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

This test checks for the presence of Streptococcus bacteria DNA in your urine over a 24-hour period, often used to evaluate urinary tract infections or systemic spread of infection.

Quick summary

["Helps diagnose or monitor urinary tract infections caused by Streptococcus bacteria."]

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

Key facts at a glance

LOINC
111570-8
Short code
S aureus DNA BAS NAA+n-prb-NCncRng
Synonyms
S aureus DNA BAS NAA+n-prb-NCncRng
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
non-probe-amp-tar
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 symptoms like frequent urination, pain during urination, fever, or unexplained infections. It may also be used in research or specialized clinical settings to track bacterial presence in urine samples.

What to Expect Before the Test

You’ll need to collect all urine for 24 hours in a sterile container. Drink plenty of fluids to ensure adequate urine volume. Avoid certain medications or substances that could interfere with results, as directed by your provider.

How the Test Is Performed

A healthcare professional will collect your 24-hour urine sample. The sample is then analyzed in a lab to detect Streptococcus DNA using advanced genetic testing methods.

Possible Results and Interpretation

A positive result indicates the presence of Streptococcus DNA in your urine, suggesting infection. A negative result means no detectable DNA was found. Results should be interpreted by your healthcare provider in the context of your symptoms and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

None

Frequently asked questions

This test is primarily used in research or specialized clinical studies to identify bacterial DNA in urine, aiding in diagnosing urinary tract infections or guiding treatment decisions in rare or complex cases.
This test may not be routinely performed in standard clinical practice due to its specialized nature and limited clinical utility. Consult your provider for detailed interpretation.
What does a positive result mean?
A positive result suggests the presence of Streptococcus bacteria DNA in your urine, which may indicate an infection. However, this test is not commonly used for routine diagnosis and should be discussed with your healthcare provider for further evaluation.
Can I take antibiotics before this test?
If this test is ordered for research or specialized purposes, your provider may advise against antibiotics to ensure accurate results. Always follow their specific instructions.
  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