Test Name: IgVH Mutation Analysis 


Methodology: Molecular Genetics


Test Description

RT-PCR and bi-directional sequencing of the variable region of the immunoglobulin heavy chain for detection of mutation from germline sequence. The mutated VH gene family is identified in positive reports (>3% sequence deviation). Mutation may not be detectable in specimens containing <10% clonal B-cells.  


Specimen Requirements

•Peripheral blood: 4 mL in EDTA tube.
•Bone marrow: 2 mL in EDTA tube.


Storage and Transport

Use cold pack for transport, making sure cold pack is not in direct contact with specimen. Ship same day as drawn whenever possible; specimens <72 hours old preferred.


Specimen Rejection Criteria

Click here to reference the specimen rejection criteria.


Turn Around Time (TAT): 10 Days


CPT Codes*: 81263


*The CPT codes provided with our Test Descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.