Spectrum
Sampling & Reporting
Karius Basics
Focus|BAL
100

This specimen type is required for Karius Spectrum testing.

What is plasma?

100

This is the blood draw volume required for a Karius Spectrum plasma sample. 

What is 5 mL?

100

Karius is headquartered in this California city, where its CLIA-certified and CAP-accredited lab is located. 

What is Redwood City?

100

This type of tube is used to collect and preserve BAL samples for Karius Focus | BAL testing.

What is a Streck Cell Preservative (CP) tube? 

200

This is the typical turnaround time from sample receipt for Karius Spectrum results

What is 18 (or 24) hours?

200

Besides plasma, what other specimen type does Karius accept?

What is bronchoalveolar lavage (BAL) fluid?

200

Karius was founded in this year.

What is 2014?

200

This is the volume of BAL fluid required for testing.

What is 1 mL?

300

Karius Spectrum testing enables detection of this approximate number of pathogens from a single sample.

What is 1000?

300

T/F: Karius accepts frozen plasma samples

What is true?

300

Karius surpassed this milestone number of patient samples tested in 2025.

What is 100,000+?

300

BAL fluid must be transferred into the Streck CP tube within this number of hours after collection.

What is 12 hours?

400

Karius Spectrum plasma samples are stable for this amount of time at ambient temperature.

What is 96 hours?

400
These are the ways providers can access Karius results.

What is the Karius mobile app, the desktop/online portal, and the EMR (after lab uploads the faxed report)?

400

This category of disease is the second leading cause of death globally.

What is infectious disease?

400

Once transferred into the Streck CP tube, BAL samples are stable at ambient temperature for this length of time.

What is 7 days? 

500

This collection tube is used as an alternative method for Karius Spectrum sample collection.

What is a K2-EDTA (Lavender Top) tube?

500

In addition to bacteria, DNA viruses, and fungi, microbial cfDNA testing can also detect this type of organism.

What are parasites?

500

The Karius test does not detect this category of pathogens.

What are RNA viruses?

500

Karius Focus | BAL testing enables detection of this approximate number of pathogens from a single sample.

What is 500?