Days Set Up
Monday - Friday
Analytic Time

24 hours

MiChart Code
Hemoglobin Electrophoresis
Soft Order Code

Test Updated:


Hemoglobin Electrophoresis
Hemoglobin Electrophoresis Replacement Assay
Hemoglobin Evaluation
Hemoglobinopathy Evaluation
Hgb A1
Hgb A2
Hgb C
Hgb F
Hgb S
Beta Thalassemia Screen
Hemoglobin A1
Hemoglobin A2
Hemoglobin C
Hemoglobin F
Hemoglobin S
HGBN Interpretation Charge

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

High Pressure Liquid Chromatography (HPLC)

Test Usage

Evaluate distribution of hemoglobins.

Reference Range

HGBN-A1: 96.0 - 98.0% of total hemoglobin; HGBN-A2: 2.3 - 3.4% of total hemoglobin; HGBN-F, 0-1 month: 46.0 - 81.0% of total hemoglobin; HGBN-F, 1-4 months: 9.4 - 61.0% of total hemoglobin; HGBN-F, 4-12 months: 1.3 - 22.0% of total hemoglobin; HGBN-F, 1 - 150 years: less than or equal to 2% of total hemoglobin. There are no established reference ranges for HGBN-C and HGBN-S. Pathologist interpretation of abnormal results provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect specimen in lavender top tube. Invert specimen after collection to prevent clotting. CBC testing must be performed in conjunction with HGBE test to aid in interpretation of results.

Collection Offsite

Collect specimen in a lavender top (EDTA) tube. Invert specimen after collection to prevent clotting. Send intact specimen; do not centrifuge. Refrigerate; do not freeze. Please include most recent CBC results with requisition. If CBC results are not provided, testing will be performed and a note added to the report indicating that CBC results were unavailable.

Lavender Top Tube
Normal Volume
3 mL EDTA whole blood
Minimum Volume
1.5 mL EDTA whole blood

Billing Information

CPT Code
Pro Fee Code
49322-1 (Hgb Fractionation); 4547-6, 42245-1, 42246-9, 44923-1, 44920-7; 78748-1 (Confirm)

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.