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Genetic Test for Specific Allele Count in a Target Gene Region (e.g., for Genetic Counseling or Carrier Screening)

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

This test measures how many copies of a specific genetic variant (allele) are present in a sample of your DNA from a particular gene region. It may be used to assess inheritance risk, diagnose conditions, or guide personalized medical advice.

Quick summary

["Helps determine genetic variant presence and potential health implications based on inherited alleles."]

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

Key facts at a glance

LOINC
35750-9
Short code
DMPK allele2 CTG Rpt EntNum Bld/T
Synonyms
DMPK allele2 CTG Rpt EntNum Bld/T
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Ref low
0.8
Ref high
1.2
Critical range
— – 5 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
CPT
85610
SNOMED
396252006
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

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have a family history of a genetic condition linked to this gene region, are considering pregnancy, or are part of a research study. It can also help confirm suspected genetic mutations in inherited disorders.

What to Expect Before the Test

You’ll provide a blood sample (whole blood) or saliva sample, depending on the lab’s instructions. No special preparation is needed, but fasting may be required for some genetic tests. Results are typically analyzed by a genetic counselor or specialist.

What the Results Mean

Results show the number of copies (allele count) of the tested genetic variant in your DNA. A normal range depends on the specific gene and variant being tested. For example, you might have 0, 1, or 2 copies of the allele, depending on your ancestry and health status.

Common Reasons for Testing

This test is often used in carrier screening (e.g., for recessive genetic disorders), prenatal testing, or for individuals with a known family history of genetic conditions. It helps identify whether you carry a variant that could be passed to offspring or affect your health.

Reference range

INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A

Specimen: whole-blood

Inform your healthcare provider if you are taking blood thinners. No special preparation required.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Allele Count in Gene Region Test

Frequently asked questions

What does this test measure?
This test quantifies the number of specific genetic variants (alleles) in a targeted region of your DNA. It does not measure overall genetic health but focuses on a precise genetic variant’s presence and copy number.
How might my results affect my healthcare?
If you carry a high-risk allele, your provider may recommend additional testing, genetic counseling, or monitoring for related health concerns. Results can also guide reproductive decisions, such as prenatal testing or carrier screening for partners.
Are there any risks or limitations?
There are no physical risks from this test, but results may not apply to everyone due to genetic diversity. Always discuss results with your healthcare provider to interpret them in the context of your health and family history.
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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