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Genetic analysis of SLC22A18 gene mutation status

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

This test checks whether you carry a specific mutation in the SLC22A18 gene, which may influence how your body processes certain substances or could be linked to certain health conditions.

Quick summary

["This test helps identify if the mutation is present, which may guide further medical evaluation or treatment planning."]

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

Key facts at a glance

LOINC
34514-0
Short code
SLC22A18 gene Mut Anl Bld/T
Synonyms
SLC22A18 gene Mut Anl Bld/T
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

What This Test Measures

The SLC22A18 gene mutation test examines the DNA sequence of the SLC22A18 gene. Mutations in this gene can affect how your body transports certain chemicals, including drugs and toxins. This test is often used in genetic counseling or when evaluating conditions related to metabolic or transport-related disorders.

Why It Might Be Ordered

Your healthcare provider may recommend this test if you have a family history of genetic conditions linked to SLC22A18 mutations, if you’re being evaluated for a suspected metabolic disorder, or if you’re considering genetic testing for a specific health concern.

Sample Collection and Process

A small amount of whole blood is typically collected via a simple venipuncture. The blood sample is then sent to a laboratory for genetic analysis to detect the presence of the SLC22A18 mutation.

What the Results Mean

Results can be either positive (mutation detected) or negative (mutation not detected). A positive result indicates the presence of the mutation, which may require further evaluation by a healthcare provider to understand its implications for your health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Mutations in the SLC22A18 gene can play a role in conditions affecting how the body processes substances, such as certain medications or toxins. Identifying these mutations can help guide personalized medical advice, especially in cases involving genetic predispositions to metabolic or transport-related disorders. Consult your healthcare provider for detailed interpretation of results in the context of your health history.

Short name

SLC22A18 Gene Mutation Test

Frequently asked questions

What does a positive result mean?
A positive result means the specific mutation in the SLC22A18 gene was found in your DNA. This finding may suggest an increased risk for certain health conditions or influence how medications are processed in your body. Your healthcare provider will discuss how this result applies to your situation and next steps.
What if my test result is negative?
A negative result means the specific mutation was not detected in your DNA. However, mutations can be rare, and other genetic factors may still be involved. If you have concerns about genetic predispositions, your healthcare provider may recommend additional testing or genetic counseling.
How often should I get this test?
This test is generally performed once, typically as part of a specific evaluation or genetic screening process. Routine testing is not recommended unless advised by your healthcare provider based on your medical history or family health concerns.
  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