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Genetic analysis for specified genes in serum/plasma (qualitative screening)

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

This test checks for potential genetic variations in certain genes present in your blood. It may help identify inherited conditions or support diagnostic decisions.

Quick summary

["A genetic screening test from your blood can uncover possible gene mutations linked to health risks."]

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

Key facts at a glance

LOINC
105070-7
Short code
EC stx1+stx2 genes Stl Ql
Synonyms
EC stx1+stx2 genes Stl Ql
Category
chemistry
Sample
stool
Container
Clean container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 g
Stability
Refrigerated: 24h, Frozen: 7d
TAT
4–24 hours
Order
routine

What This Test Measures

This test screens for specific genetic variations (mutations or differences) in a selected set of genes extracted from your blood sample. The analysis identifies whether certain genetic sequences match expected patterns or show unusual changes that may require further evaluation.

Why It’s Ordered

Your healthcare provider may recommend this test if you have a family history of genetic disorders, symptoms suggestive of a genetic condition, or if you’re at higher risk for certain inherited conditions. It can also be part of prenatal testing, carrier screening, or pre-symptomatic detection efforts.

Sample Preparation

A small blood sample is drawn from your arm. The serum or plasma portion is processed to isolate DNA for genetic analysis. No special preparation is needed, but fasting may not be required unless specified by your provider.

Turnaround Time

Results are typically available within 1–2 weeks, depending on the complexity of the gene panel and laboratory processing. Follow-up may be needed if abnormalities are detected.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Genetic variations detected by this test can indicate an increased risk for inherited conditions such as metabolic disorders, cardiovascular diseases, or cancer predispositions. Some findings may be benign or require additional testing to confirm their clinical relevance. Results guide personalized medical advice, risk management, or preventive strategies.

Short name

Gene Panel Screening

Frequently asked questions

What does a positive result mean?
A positive result means the test identified genetic variations in the genes checked. These may suggest an increased risk for certain conditions, but they do not always mean you will develop a disease. Your healthcare provider will discuss the implications based on the specific findings and your medical history.
Can I get this test if I’m pregnant?
Yes, this test can be performed during pregnancy, often as part of prenatal genetic screening or carrier testing. Always discuss the purpose and risks with your obstetrician or genetic counselor before proceeding.
How often should I get this test?
The frequency depends on your health status, family history, and provider recommendations. Some people may need repeat testing if they have a higher risk for genetic conditions or if new genetic advancements are available.
  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