Test Overview
Test Methodology
Polymerase Chain Reaction (PCR) Amplification/Sanger Sequence Analysis
Test Usage
Definitive evaluation of an individual with JAK2-negative erythrocytosis associated with lifelong sustained increased red blood cell (RBC) mass, elevated RBC count, hemoglobin, or hematocrit.
This test is not intended for prenatal diagnosis.
Reference Range *
Interpretive report provided
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Monday - Friday
Analytic Time
12 - 27 days
Soft Order Code
HEMP
Laboratory
Sendout
Reference Laboratory
Mayo HEMP
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect specimen in a lavender (EDTA) top tube. Send to Specimen Processing as whole blood refrigerated
Special Handling
DO NOT aliquot, send as whole blood in the original container to Mayo
Normal Volume
3 mL whole blood
Minimum Volume
0.5 mL whole blood
Storage Temperature
Refrige preferred, ambient acceptable
Additional Information
Test performed by Mayo Clinic Labs
Billing
CPT Code
81479