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Genetic Test for Specific Single Nucleotide Polymorphism (SNP) Identification (e.g., dbSNP ID)

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

This test checks for a specific genetic variation (single nucleotide polymorphism, or SNP) in your DNA, often used to identify inherited traits or potential genetic predispositions.

Quick summary

["This test helps identify specific genetic differences that may influence health risks or traits."]

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

Key facts at a glance

LOINC
81255-2
Short code
dbSNP ID
Synonyms
dbSNP ID
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 detects a unique genetic marker (a single base change in DNA) that is cataloged in the **Database of Short Genetic Variations (dbSNP)**. This marker may be linked to inherited conditions, drug responses, or other genetic traits.

Why It’s Ordered

Your healthcare provider may recommend this test if you have a family history of certain conditions, are researching genetic predispositions, or if the marker is relevant to a specific medical or research purpose.

Common Uses

Common applications include genetic counseling, identifying inherited risks (e.g., for certain cancers, metabolic disorders), or supporting personalized medicine approaches (e.g., tailored treatments).

Sample Collection

This test typically requires a blood sample (whole blood) or saliva sample, depending on the lab’s protocol. Your provider will guide you on how to prepare.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Frequently asked questions

This test does not provide a diagnosis of a specific disease but may help identify genetic variations that could influence health risks or inform preventive care decisions.
Genetic variations detected here may or may not affect your health directly, depending on their context (e.g., family history, genetic background). Always discuss results with your healthcare provider.
How long will results take?
Results can take several weeks to months, depending on the lab’s processing time and whether additional testing is needed for confirmation.
What does a positive result mean?
A positive result indicates the presence of the specific SNP in your DNA. This finding may be relevant for genetic research, counseling, or future medical decisions but does not always predict health outcomes alone.
  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