Test Code SLFA Cryptococcus Antigen Screen with Titer, Serum
Reporting Name
Cryptococcus Ag Screen w/Titer, SUseful 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.
Method Name
Lateral Flow Assay (LFA)
Performing Laboratory

Specimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
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.
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated (preferred) | 14 days |
Frozen | 14 days |
Reference Values
Negative
Day(s) Performed
Monday through Sunday
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.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 |
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.
Report Available
Same day/1 to 2 daysForms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.