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Test ID BLOD1792 Karius Spectrum, Plasma

Useful For

Rapid and minimally invasive detection of deep-seated and difficult-to-diagnose systemic infections throughout the body

 

Provide antimicrobial resistance detection for microbes known to utilize the antimicrobial resistance mechanism

Specimen Type

Plasma


Specimen Required


Collection Container/Tube:

Preferred: Plasma preparation tube (PPT)

Acceptable: Lavender top (K2 EDTA)

Submission Container/Tube:

Preferred: PPT

Acceptable: Sterile polypropylene tube

Specimen Volume: 1 mL Plasma

Collection Instructions :

1. Gently invert tube 8 to 10 times to mix whole blood.

2. Centrifuge specimen as follows:

 a. For PPT: Within 6 hours of collection, centrifuge at 1100 x g for 10 minutes.

 b. For K2 EDTA:

  i. Within 24 hours of collection, centrifuge at 1600 x g for 10 minutes. For tubes less than 4 mL, refer to tube manufacturer’s instructions for centrifugation speed and time.

  ii. Aliquot 1 mL of plasma into a sterile polypropylene tube, taking care not to disturb the buffy coat.

3. For complete instructions see Karius Spectrum Specimen Collection and Preparation Process.


Specimen Minimum Volume

Plasma: 0.7 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma Frozen (preferred) 180 days
  Ambient  4 days

Day(s) Performed

Monday through Saturday

Report Available

2 to 6 days

Method Name

Metagenomic Sequencing

Reporting Name

Karius Spectrum, P

Performing Laboratory

Karius Laboratory

CPT Code Information

0152U

Secondary ID

623287

Reject Due To

Incomplete or improper plasma separation Reject

Reference Values

An interpretive report will be provided.

Test Classification

The Karius Spectrum test was developed and its performance characteristics determined by Karius. The Karius laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA '88) and is accredited by the College of American Pathologists (CAP) to perform high-complexity clinical laboratory testing. This test has not been reviewed or cleared by the US Food and Drug Administration.