JAKXM - Specimen: JAK2 Exon 12 and Other Non-V617F Mutation Detection, Bone Marrow

Test Catalog

Test Name

Test ID: JAKXM    
JAK2 Exon 12 and Other Non-V617F Mutation Detection, Bone Marrow

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

This is a second-order test that should be used when the test for the JAK2M / JAK2 V617F Mutation Detection, Bone Marrow test is negative.

 

See Myeloproliferative Neoplasm: A Diagnostic Approach to Bone Marrow Evaluation in Special Instructions.

Specimen Type Describes the specimen type validated for testing

Bone Marrow

Shipping Instructions

Specimen must arrive within 5 days (120 hours) of collection. Draw and package specimen as close to shipping time as possible.

Necessary Information

Date of collection is required.

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Container/Tube:

Preferred: EDTA (lavender top)

Acceptable: ACD (yellow top)

Specimen Volume: 2 mL

Collection Instructions:

1. Invert several times to mix bone marrow.

2. Send specimen in original tube.

Forms

1. Hematopathology Patient Information (T676) in Special Instructions

2. If not ordering electronically, complete, print, and send a Hematopathology/Cytogenetics Test Request Form (T726) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/hematopathology-request-form.pdf).

Specimen Minimum Volume The amount of sample necessary to provide a clinically relevant result as determined by the Laboratory.

1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis

Mild OK; Gross reject

Lipemia

NA

Icterus

NA

Other

Moderately to severely clotted

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
Bone MarrowRefrigerated (preferred)5 days
 Ambient 5 days