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Specimen Collection Manual and Test Catalog

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MYGENVAR PHARMACOGENOMICS GENE PANEL, NEXT GENERATION SEQUENCING

Geisinger Epic Procedure Code:  LAB5229    Geisinger Epic ID:  199118

SPECIMEN COLLECTION
Specimen type: 

Whole blood, buccal swab


Preferred collection container: 
Alternate collection container: 
6 mL pink-top K2 EDTA tube
ORA Collection OCDC-100 Collection Device
Specimen required: 

One 3 ml lavender-top K2 EDTA tube OR one 6 ml pink-top K2 EDTA tube OR buccal swab (contact the Molecular Diagnostics Laboratory for approval of this sample type). Extracted DNA is an acceptable specimen


Special notes: 

Isolated/extracted nucleic acids are acceptable only from CLIA-certified laboratories or a laboratory meeting equivalent requirements as determined by CAP and/or CMS.

NO SHARED SPECIMENS.



SPECIMEN PROCESSING
Processing instructions: 

Mix well immediately. Send/deliver all collection tubes to GMC Molecular Diagnostic Lab. Store at 2-8°C. Do not centrifuge.

Contact the Molecular Diagnostics Laboratory if processing ORACollect DX buccal swab sample.


Transport temperature: 

Refrigerated, 2-8°C. Send to GMC Molecular Diagnostic Lab.

Contact the Molecular Diagnostics Laboratory if transporting ORACollect DX buccal swab sample.


Specimen stability: 

Refrigerated: 7 days. Specimen must be extracted within 7 days. 


Rejection criteria: 

Wrong collection tube. Improper storage or transport temperature. Stability limits exceeded. Shared or comingled specimens.



TEST DETAILS
Reference interval: 

Negative (no mutations detected).


Additional information: 

For molecular testing, the original tube is required.


CPT code(s): 
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

ABCG2, CYP2B6, CYPC2C Cluster, CYP2C9, CYP2C19, CYP2D6, CYP3A5, CYP4F2, DPYD, HLA-A*31:01, HLA-B*15:02, HLA-B*57:01, HLA-B*58:01, NUDT15, SLCO1B1, TPMT, UGT1A1, VKORC1 mutations detected by Next Generation Sequencing.


Methodology: 
DNA Extraction
Next Generation Sequencing
Synonyms: 

PGx, Pharmacogenomics


Clinical significance: 

MyGenVar Pharmacogenomics assay is intended to aid clinicians in selecting the most appropriate medications and dosages for their patients.


Doctoral Director(s): 
Yi Ding MD, PhD
Review Date:  05/26/2026

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