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Hemoglobin A1c (HbA1c) with Electrophoresis

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

This test measures the percentage of hemoglobin that is glycated (HbA1c) and uses electrophoresis to separate different types of hemoglobin variants for further analysis.

Quick summary

["Helps monitor long-term blood sugar control and identify potential hemoglobin disorders."]

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

Key facts at a glance

LOINC
24762-7
Short code
XR Hip Views
Synonyms
XR Hip Views
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
xr
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

What Is HbA1c Electrophoresis Used For?

HbA1c electrophoresis is primarily used to assess long-term blood glucose levels and detect abnormal hemoglobin types, which can indicate conditions like diabetes, sickle cell disease, or other hemoglobinopathies. It complements standard HbA1c testing by providing additional information about hemoglobin variants.

How Does This Test Work?

In this test, a small amount of blood is collected and processed to separate hemoglobin into different fractions using an electric field. This allows for the identification and quantification of specific hemoglobin types, including glycated hemoglobin (HbA1c).

Why Might You Need This Test?

You may need this test if your healthcare provider suspects an underlying hemoglobin disorder, if you have diabetes and require additional monitoring, or if you have symptoms that suggest conditions affecting red blood cells or hemoglobin structure.

What to Expect Before the Test

No special preparation is typically required for this test. A simple blood draw is performed, similar to other routine blood tests. If you are diabetic, you may be asked to fast or follow specific instructions related to your medication.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

HbA1c Electrophoresis

Frequently asked questions

How long does it take to get results from this test?
Results from HbA1c electrophoresis are usually available within 1 to 3 business days, depending on your lab’s processing schedule. Follow-up with your healthcare provider to discuss the findings.
What does an abnormal HbA1c electrophoresis result mean?
An abnormal result may indicate an increased level of glycated hemoglobin (HbA1c), which suggests poor blood sugar control in diabetes. It may also reveal abnormal hemoglobin types, such as sickle hemoglobin (HbS) in sickle cell disease or other hemoglobinopathies.
Can lifestyle changes affect HbA1c electrophoresis results?
Yes, lifestyle changes such as diet, exercise, and managing diabetes medications can influence HbA1c levels. Consistent monitoring and adjustments to your treatment plan are essential to maintain stable blood sugar and healthy hemoglobin profiles.
  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