Candida auris, Surveillance, Qualitative PCR, Axilla/Groin

TEST: 140092
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CPT: 87481
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Synonyms

  • C. auris colonization screening

Special Instructions

This test is not approved for use in New York state.

Related Documents

Specimen Requirements

Specimen

Composite axilla and groin swab

Volume

One composite swab submitted in Liquid Amies (ESwab®)

Container

Liquid Amies Media (ESwab®)

Collection

A single swab is used to collect a combined (composite) sample from both the left and right axilla and the left and right groin. While collecting the sample, roll the swab tip over the skin several times to ensure adequate specimen collection. Place the swab into the ESwab® collection tube (containing Liquid Amies media) and submit promptly to the laboratory.

Storage Instructions

Refrigerate.

Stability Requirements

Temperature

Period

Refrigerated

14 days

Frozen

30 days

Freeze/thaw cycles

Stable x2

Causes for Rejection

Improperly submitted specimens (specimen submitted without a swab; specimen not submitted using an ESwab® collection device; specimen with a clinical source other than axilla/groin; grossly leaking specimens; specimens received outside of stated stability or without required patient identifiers)

Test Details

Use

This test is used to detect Candida auris colonization of the axilla and groin.

Limitations

A negative test does not rule out colonization with C. auris. Although the axilla and groin are the most common sites of C. auris colonization, other body sites may also be colonized. Results should be interpreted in conjunction with clinical findings and epidemiological risk for C. auris colonization.

Improperly collected samples may result in false negative results.

This test is intended for screening purposes only. It should not be used to diagnose C. auris infection.

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.

Methodology

Polymerase Chain Reaction (PCR)

References

Hata DJ, Humphries R, Lockhart SR; College of American Pathologists Microbiology Committee. Candida auris: An Emerging Yeast Pathogen Posing Distinct Challenges for Laboratory Diagnostics, Treatment, and Infection Prevention. Arch Pathol Lab Med. 2020 Jan;144(1):107-114.31169997
Screening for Candida auris in healthcare settings. Centers for Disease Control and Prevention (CDC) website: www.cdc.gov/fungal/candida-auris/c-auris-screening.html. Updated February 2024. Accessed March 2024.

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