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Hemoglobin Variants by High-Performance Liquid Chromatography (HPLC) in Serum

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

This test identifies different types of hemoglobin in your blood, which may help diagnose conditions like sickle cell disease or other inherited blood disorders.

Quick summary

["Understanding your hemoglobin variants can clarify blood health risks or genetic conditions."]

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

Key facts at a glance

LOINC
95148-3
Short code
HBV surf Ag + HBV e Ab + Ag Pnl SerPl
Synonyms
HBV surf Ag + HBV e Ab + Ag Pnl SerPl
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
86430
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 Is Done

Your healthcare provider may order this test if you have symptoms like fatigue, pain, or unusual blood test results. It’s also used to screen for inherited blood disorders or confirm a suspected diagnosis.

What to Expect Before the Test

No special preparation is needed. A blood sample is drawn from a vein, usually in your arm. You may feel slight discomfort, but it’s quick and typically done in a clinic or lab.

What the Results Mean

The test measures the proportion of different hemoglobin types in your blood. For example, it can detect abnormal hemoglobins like HbS (sickle cell) or HbC. Results help determine if you have a genetic blood disorder or need further treatment.

Common Conditions Linked to This Test

This test is critical for diagnosing conditions such as sickle cell disease, thalassemia, or other hemoglobinopathies. It can also help monitor treatment progress or screen family members at risk.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Hemoglobin variants can indicate genetic disorders affecting red blood cells. Abnormal levels may lead to anemia, pain crises, or other complications. Early detection allows for targeted management.

Short name

Hb Variant Profile

Frequently asked questions

What does a high or low level of a specific hemoglobin variant mean?
A high or low level of a particular variant may suggest an inherited blood disorder. For example, elevated HbS could indicate sickle cell trait or disease, while other variants may point to different conditions. Your doctor will interpret results in context with your symptoms and family history.
How often should I get this test?
Frequency depends on your health status. If you have a known blood disorder, your doctor may recommend regular monitoring. If you’re asymptomatic but at risk (e.g., due to family history), they may suggest screening every few years or as needed.
Can lifestyle changes affect hemoglobin variant results?
While diet and exercise can impact overall blood health, they rarely directly alter hemoglobin variant levels. However, conditions like dehydration or severe illness may temporarily affect blood composition. Always discuss lifestyle factors with your provider.
  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