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Glucose-6-Phosphate Dehydrogenase (G6PD) Gene Full Mutation Analysis by Next-Generation Sequencing

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

This test checks for specific genetic mutations in the G6PD gene, which can affect how your body processes glucose and may increase your risk of certain blood disorders.

Quick summary

["Understanding your G6PD gene mutations can help determine if you’re at higher risk for conditions like hemolytic anemia or other health concerns."]

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

Key facts at a glance

LOINC
94231-8
Short code
G6PD gene Full Mut Anl Bld/T Seq
Synonyms
G6PD gene Full Mut Anl Bld/T Seq
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
sequencing
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 symptoms like fatigue, jaundice (yellowing of skin/eyes), or a history of unexplained anemia. It’s also used in genetic counseling for families with a history of G6PD-related conditions.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, which is typically drawn from your arm. The test analyzes genetic material from your cells.

What the Results Mean

Results identify specific mutations in the G6PD gene. These mutations can vary widely and may affect enzyme function differently in each person. Your provider will discuss findings in the context of your symptoms and family history.

Common Conditions Linked to G6PD Mutations

Mutations in this gene are often linked to conditions like G6PD deficiency, which can cause red blood cell breakdown (hemolysis) when exposed to certain medications, infections, or foods (e.g., fava beans). Some mutations may also be associated with increased susceptibility to malaria.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

G6PD mutations are the most common inherited enzyme deficiency worldwide. While many mutations are mild and may cause no symptoms, others can lead to severe anemia or other complications. Early identification can help guide preventive measures, such as avoiding triggers or genetic counseling for family planning.

Short name

G6PD Gene Mutation Test

Frequently asked questions

What triggers might worsen G6PD-related symptoms?
Certain medications (e.g., antimalarials, sulfonamides), infections, or foods (like fava beans) can trigger hemolysis in people with G6PD deficiency. Always discuss potential risks with your doctor before starting new medications.
How often should I get this test?
This test is usually done once if you’re being evaluated for G6PD-related concerns. If you have a family history or symptoms, your provider may recommend follow-up testing or monitoring based on your results.
Can lifestyle changes help if I have a G6PD mutation?
Yes! Avoiding triggers like certain medications, infections, and specific foods can help manage symptoms. Staying hydrated and eating a balanced diet rich in folate may also support your blood health.
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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