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St. John Health System
Lab Catalog


Index:

Calreticulin Mutation Analysis

Order Name CALR Mut
Test Number: 6906913
Revision Date 03/18/2021
Test Name Methodology LOINC Code
CALR Mutation
Polymerase Chain Reaction  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 4 mL (2 mL) Whole Blood EDTA (Lavender Top) Refrigerated
Alternate 1 6 mL (2 mL) Bone Marrow EDTA (Lavender Top) Refrigerated
Instructions Ship ambient and overnight for Monday - Friday receipt at Labcorp Oklahoma, Inc. Central Lab.
Stability: Ambient 5 days, Refrigerated 5 day, Frozen Unacceptable


If JAK2 V617F testing has already been performed, please contact the laboratory to determine if additional specimen will be required for CALR testing.
GENERAL INFORMATION
Testing Schedule Tuesdays 
Expected TAT Within 1-8 day(s) from set up 
Notes Reference Lab: Tricore
Test Code: MDCALR
Click Here to view information on the Tricore website.
CPT Code(s) CPT: 81219 G0452-26
Internal Comments 01/16/2019 Added alternate container - SN
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Reference Lab