Days Set Up
Daily; 8:00 am to 2:30 pm
Analytic Time

8 hours

MiChart Code
Hemoglobin
Soft Order Code
HGBN

Test Updated:

Synonyms

Hemoglobin, Free
HEMOGLOBIN, SERUM
HGBN

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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

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Benzidine Base

Test Usage

To aid in the evaluation of hemolytic anemias and transfusion reactions. To monitor hemolysis in conjunction with ECMO treatment or use of LVAD.

Reference Range

1.0-8.0 mg/dL

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

Specimen Requirements

Collection Instructions

Collect specimen in a green top or SST tube. Centrifuge, aliquot plasma or serum into a plastic vial and refrigerate. Any hemolysis occurring during specimen collection invalidates the test.

Yellow Top Tube
Normal Volume
1 mL plasma or serum
Minimum Volume
0.5 mL plasma or serum

Billing Information

CPT Code
83051
Pro Fee Code
 
Insurance Auth Info
 
LOINC
721-1

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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.