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