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Genomic DNA from blood sample, quantified by probe-based mass concentration measurement

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

This test measures the amount of DNA present in your blood sample, which can help assess genetic material or detect abnormalities in cell counts.

Quick summary

["Understanding your blood DNA levels may support certain diagnostic or research purposes."]

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

Key facts at a glance

LOINC
92951-3
Short code
Gp B Strep DNA BAL NAA+non-prb-NCncRng
Synonyms
Gp B Strep DNA BAL NAA+non-prb-NCncRng
Category
coagulation
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

What Does This Test Measure?

This test quantifies the total mass concentration of genomic DNA extracted from your blood. DNA is the genetic material found in all cells, and measuring its concentration can be useful in research or specialized diagnostic contexts, such as assessing cell viability or detecting genetic material in blood samples for conditions like cancer or blood disorders.

Why Might You Need This Test?

Blood DNA testing may be used in research studies, certain genetic evaluations, or when investigating conditions where abnormal cell counts or genetic material in the blood are suspected. Your healthcare provider may recommend this test if they are exploring advanced diagnostic options or monitoring specific health conditions.

How Is This Test Performed?

A small blood sample is drawn, typically from your arm. The DNA is then extracted from the blood cells and measured using a specialized probe-based technique to determine its concentration. This process helps ensure accurate quantification of genetic material.

What Are Possible Results?

Results are presented as a mass concentration value, which reflects the amount of DNA detected in your sample. Interpretation depends on clinical context, such as whether this is part of a research study or diagnostic evaluation. Your healthcare provider will discuss the meaning of your specific result with you.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Frequently asked questions

What could abnormal results mean?
Abnormal DNA concentrations in blood may indicate conditions such as leukemia, lymphoma, or other blood-related disorders where abnormal cell proliferation occurs. In research settings, this test may help assess genetic material for study purposes. Always consult your healthcare provider for personalized interpretation.
How often should I get this test?
The frequency depends entirely on your healthcare provider’s recommendations. This test is not a routine screening and is typically ordered for specific clinical or research reasons. Follow-up may vary based on your diagnosis or study requirements.
Is there any preparation needed before the test?
No special preparation is required for this test. You may eat and drink normally before your blood draw, but inform your healthcare provider about any medications or conditions that could affect the results.
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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