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Body Fluid DNA Probe Analysis for Genetic Screening (Multiplex Fluorescence In Situ Hybridization)

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

This test analyzes DNA extracted from your body fluids (such as blood, saliva, or other samples) using a specialized probe to detect specific genetic sequences. It helps identify potential genetic variations that may influence health risks or conditions.

Quick summary

["This test may be used to screen for inherited genetic conditions or assess genetic predispositions in a non-invasive way."]

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

Key facts at a glance

LOINC
76610-5
Short code
S agalact cfb # XXX.body fld NAA+probe
Synonyms
S agalact cfb # XXX.body fld NAA+probe
Category
coagulation
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
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 This Test Measures

The test uses fluorescent probes to bind to specific DNA sequences within your body fluid sample. These probes light up under a microscope, allowing for the detection of genetic markers that may be associated with certain conditions or traits. The presence or absence of these markers is recorded for analysis.

How the Test Works

This is a qualitative test, meaning it provides a yes/no or present/absent result rather than a quantitative measurement. The probes target particular genetic regions, and the results indicate whether those regions contain the expected genetic material or variations.

Possible Uses

Body fluid DNA testing like this can be used for genetic screening in prenatal care, carrier testing for inherited disorders, or assessing genetic risks for certain diseases. It may also be part of broader genetic counseling evaluations.

Sample Collection and Preparation

A small sample of your body fluid (e.g., blood, saliva, or other approved fluid) is collected and sent to the lab. The DNA is extracted from the sample and prepared for analysis. This process ensures the genetic material is isolated and ready for probe binding.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Genetic Fluid Probe Test

Frequently asked questions

Why might I need this test?
This test is typically ordered if you have a family history of genetic conditions, if you are considering pregnancy and want genetic screening, or if your healthcare provider suspects a genetic predisposition to a specific disorder. It helps identify potential risks early for better management and planning.
What does a positive or negative result mean?
A positive result indicates the presence of specific genetic markers that may increase your risk for certain conditions. A negative result means those markers were not detected in this sample. Results should always be interpreted by a healthcare provider in the context of your medical history and family background.
Are there any risks or side effects?
There are generally no risks associated with this test since it involves a simple fluid sample collection. Minor discomfort may occur during sample collection, but most people find it quick and painless. Avoiding certain medications or foods before the test may be advised by your healthcare provider.
  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