Plasma Focus

CPT: 81463
Updated on 12/5/2024
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Synonyms

  • Labcorp Plasma Focus
  • Liquid Biopsy

Special Instructions

Specimens must be submitted using the Liquid Biopsy Specimen Kit and shipped directly to the PGDx lab location, using the shipping label provided in the kit.

This assay currently is not available in New York state.

Specimens must be submitted using the Liquid Biopsy Specimen Kit and shipped directly to the PGDx lab location, using the shipping label provided in the kit.

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Specimens must be submitted using the Liquid Biopsy Specimen Kit and shipped directly to the PGDx lab location, using the shipping label provided in the kit.

This assay currently is not available in New York state.


Expected Turnaround Time

7 - 10 days


Specimen Requirements


Specimen

Whole blood


Volume

2 tubes of 10 mL each


Minimum Volume

2 tubes of 10 mL each


Container

Liquid Biopsy Specimen Kit (PeopleSoft No. 137408)


Collection

Collect 10 mL of whole blood into each of 2 Streck BCT tubes supplied in the Liquid Biopsy Specimen Kit. Only the Liquid Biopsy Specimen Kit can be used for collection.


Storage Instructions

Maintain at room temperature after collection and during shipping.


Stability Requirements

TemperaturePeriod
Room temperature7 days
Refrigerated0 days
Frozen0 days

Causes for Rejection

Samples not collected and submitted in Streck tubes; specimens submitted in expired or incorrect blood tubes; quantity not sufficient for analysis; specimens received more than seven days from collection; frozen specimens


Test Details


Use

The Labcorp Plasma Focus test is a Next Generation Sequencing-based laboratory-developed test (LDT) for the detection of genomic sequence mutations in 33 clinically actionable or relevant genes, including amplifications in eight genes, translocations associated with five genes and microsatellite instability (MSI) using plasma derived cell DNA (cfDNA). The test is intended to be used by qualified health care professionals in accordance with professional oncology guidelines for patients with advanced stage or metastatic non small cell lung cancer, colorectal cancer, breast cancer, esophageal cancer, gastroesophageal junction cancer, gastric cancer or melanoma. Test results are not prescriptive for the use of any specific therapeutic product.


Methodology

Next Generation Sequencing


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