Test Code PLFA Cryptococcus Antigen Screen, Lateral Flow Assay, Pleural Fluid
Reporting Name
Cryptococcus Ag Screen, LFA, PFUseful For
Diagnosis of infection with Cryptococcus species
Method Name
Lateral Flow Assay (LFA)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Pleural FluidAdditional Testing Requirements
Pleural fluid testing for cryptococcal antigen should also be submitted for routine fungal culture. Order FGEN / Fungal Culture, Routine.
Specimen Required
Container/Tube: Sterile vial
Specimen Volume: 0.5 mL
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Specimen Minimum Volume
0.25
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Pleural Fluid | Refrigerated (preferred) | 21 days |
| Frozen | 30 days |
Reference Values
Negative
Day(s) Performed
Monday through Sunday
Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
87899-Cryptococcus Ag Screen, LFA, PF
87899-Cryptococcus Ag Titer, LFA, PF (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PLFA | Cryptococcus Ag Screen, LFA, PF | 29533-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 42396 | Cryptococcus Ag Screen, LFA, PF | 29533-7 |
Secondary ID
42396Testing Algorithm
If this screen is positive, the antigen titer will be performed at an additional charge.
Report Available
Same day/1 to 2 daysReflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| PLFAT | Cryptococcus Ag Titer, LFA, PF | No | No |
Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.