Test Overview
Test Methodology
High Performance Liquid Chromatography (HPLC)
Test Usage
To aid in the decision of exchange transfusion or other emergent procedures in sickle cell disease.
Reference Range *
There are no established reference ranges for Hemoglobin S.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Available on an as needed basis daily, 24 hours
Analytic Time
2 hours
Soft Order Code
RHGBS
MiChart Code
Hemoglobin S
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions
N/A
Contraindications
This test is not for use to quantify hemoglobin fractions of other hemoglobin variants. Interpretation of this assay may be affected when a patient is being treated with Voxelotor (Oxbryta).
Normal Volume
2 mL EDTA whole blood
Minimum Volume
1 mL EDTA whole blood
Billing
CPT Code
83021
LOINC
44923-1