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Test Code SLFA Cryptococcus Antigen Screen with Titer, Serum

Useful For

Aiding in the diagnosis of cryptococcosis

 

This test should not be used as a test of cure or to guide treatment decisions.

 

This test should not be used as a screening procedure for the general populations.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
SLFAT Cryptococcus Ag Titer, LFA, S Yes No

Testing Algorithm

If result is positive, Cryptococcus titer will be performed at an additional charge.

Reporting Name

Cryptococcus Ag Screen w/Titer, S

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject

Reference Values

Negative

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

87899

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SLFA Cryptococcus Ag Screen w/Titer, S 29903-2

 

Result ID Test Result Name Result LOINC Value
62075 Cryptococcus Ag Screen w/Titer, S 29903-2

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Method Name

Lateral Flow Assay (LFA)

Forms

If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.