Hemoglobin A1c (HbA1c) with Electrophoresis
This test measures the percentage of hemoglobin that is glycated (HbA1c) and analyzes its distribution through electrophoresis, a technique that separates different types of hemoglobin based on their electrical charge.
["Helps monitor long-term blood sugar control and identify variations in hemoglobin types."]
Key facts at a glance
- LOINC
- 99922-7
- Short code
- S haematobium #/area UrnS Comp Assist
- Synonyms
- S haematobium #/area UrnS Comp Assist
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- computer-assisted
- Specimen volume
- 10 mL
- Stability
- Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
What Is HbA1c Electrophoresis Used For?
HbA1c electrophoresis is primarily used to assess how well your blood sugar levels have been controlled over the past 2–3 months. It also helps identify potential hemoglobin disorders, such as sickle cell trait or thalassemia, by examining the different hemoglobin fractions present in your blood.
How Is This Test Performed?
A small blood sample is taken from your arm and processed to separate hemoglobin types. The sample is then placed in an electric field, causing the different hemoglobins to migrate at varying speeds. This separation allows for visual identification of distinct bands representing different hemoglobin forms.
Why Might Your Doctor Order This Test?
Your doctor may recommend HbA1c electrophoresis if they suspect abnormal hemoglobin variants, such as those seen in conditions like sickle cell disease or hereditary hemolytic anemias. It can also be used as part of a broader evaluation for diabetes management or genetic blood disorders.
What Does the Test Result Mean?
The results show the percentage distribution of different hemoglobin types. Elevated or unusual bands may indicate underlying blood disorders, while standard patterns help confirm typical hemoglobin composition in healthy individuals.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: HbA1c Electrophoresis plays a key role in diagnosing and managing hemoglobinopathies (inherited blood disorders) and provides additional context for diabetes care by confirming baseline hemoglobin structure. Abnormal findings may prompt further genetic testing or specialized treatment planning.
Short name
HbA1c Electrophoresis
Frequently asked questions
How long does it take to get results from this test?
What are the common causes of abnormal hemoglobin electrophoresis results?
Is this test painful or uncomfortable?
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