Genetic mutation analysis for hemoglobin variants (e.g., sickle cell trait/disease)
This test checks for specific genetic changes in your red blood cells that may affect how hemoglobin (the protein that carries oxygen) functions. These changes can sometimes be linked to conditions like sickle cell disease or other blood disorders.
["Identifies genetic mutations that could impact your blood health."]
Key facts at a glance
- LOINC
- 105332-1
- Short code
- MYH9 gene Full Mut Anl Bld
- Synonyms
- MYH9 gene Full Mut Anl Bld
- 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 is hemoglobin and why does it matter?
Hemoglobin is the protein in your red blood cells that carries oxygen from your lungs to the rest of your body. When genetic mutations alter its structure or function, it can lead to health issues like anemia or unusual blood cell shapes. This test focuses on detecting specific mutations in the genes responsible for hemoglobin production.
How is this test performed?
A small blood sample is taken from your arm. The genetic material (DNA) from your red blood cells is then analyzed to identify any mutations in the hemoglobin-related genes. The test may also involve a urine sample to check for certain metabolic byproducts linked to hemoglobin disorders.
What might this test be used for?
This test is often used in prenatal screening, newborn screening, or for diagnosing or monitoring conditions like sickle cell disease, thalassemia, or other hemoglobinopathies. It can also help determine if you carry a mutation that might affect your family members.
What are the possible results?
Results can show whether you have a normal hemoglobin gene, a single mutation (like sickle cell trait), or multiple mutations (like sickle cell disease). Some results may indicate a carrier status, while others could suggest a confirmed diagnosis of a hemoglobin disorder.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical significance: This test plays a critical role in early detection and management of hemoglobin-related disorders. Identifying mutations early can help guide treatment options, such as hydration, pain management, or specialized care for conditions like sickle cell disease. It also helps families understand genetic risks and plan for future pregnancies.
Short name
Hemoglobin mutation screening
Frequently asked questions
Why did my doctor order this test?
What should I expect during the test?
Do I need to prepare for this test?
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