Skip to content

Genetic test for hemoglobin S (Sickle Cell Disease) mutation using DNA analysis

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

This test checks for a specific genetic mutation linked to sickle cell disease, which can cause red blood cells to become sickle-shaped and lead to health complications.

Quick summary

["This test helps determine if you carry the sickle cell trait or have sickle cell disease."]

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

Key facts at a glance

LOINC
61159-0
Short code
HBV M204S Islt Ql Genotyp
Synonyms
HBV M204S Islt Ql Genotyp
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
genotyping
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

Why This Test Might Be Ordered

Your doctor may recommend this test if you have symptoms of sickle cell disease, a family history of sickle cell trait or disease, or if you’re considering pregnancy and want to check for potential genetic risks in your baby.

What to Expect Before the Test

You’ll provide a blood sample, usually taken from your arm. No special preparation is needed, but inform your doctor about any medications you’re taking.

What the Test Results Mean

Results can indicate whether you have the sickle cell trait (one mutated gene) or sickle cell disease (two mutated genes). This information helps guide medical care and family planning.

Common Symptoms to Watch For

Sickle cell disease can cause pain, fatigue, infections, and organ damage. Early detection and management can improve quality of life.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is crucial for diagnosing sickle cell disease early, allowing for timely interventions like blood transfusions, pain management, or preventive treatments to reduce complications.

Short name

Sickle Cell Gene Test

Frequently asked questions

What does a positive result mean for my health?
A positive result means you carry the sickle cell mutation. If you have one mutated gene, you have the sickle cell trait, which usually doesn’t cause symptoms but can be passed to children. If you have two mutated genes, you have sickle cell disease, which requires ongoing medical care.
How often should I get this test?
If you have the sickle cell trait, your doctor may recommend regular check-ups and monitoring. If you have sickle cell disease, testing is part of ongoing management, often done as part of routine care.
Can lifestyle changes help if I have sickle cell trait?
While the sickle cell trait itself doesn’t cause symptoms, maintaining a healthy lifestyle—such as staying hydrated, eating balanced meals, and avoiding extreme stress—can help manage potential risks and overall health.
  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