Genetic Test for Specific Allele Count in a Target Gene Region (e.g., for Genetic Counseling or Carrier Screening)
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.
["Helps determine genetic variant presence and potential health implications based on inherited alleles."]
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
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?
How might my results affect my healthcare?
Are there any risks or limitations?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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