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HelpTest ID LFACX Cryptococcus Antigen with Reflex, LFA, Spinal Fluid
Useful For
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Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| CLFA | Cryptococcus Ag Screen w/Titer, CSF | Yes | Yes |
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| CLFAT | Cryptococcus Ag Titer, LFA, CSF | Yes | No |
| FGENC | Fungal Culture, CSF | Yes, (Order FGEN) | No |
Testing Algorithm
If result is positive, Cryptococcus antigen titer will be performed at an additional charge.
If Cryptococcus antigen titer is positive, then fungal culture will be performed at an additional charge.
Method Name
Lateral Flow Assay (LFA)
Reporting Name
Cryptococcus Ag w/Reflex, LFA, CSFSpecimen Type
CSFContainer/Tube: Sterile vial
Specimen Volume: 1 mL
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| CSF | Refrigerated (preferred) | 14 days |
| Frozen | 14 days |
Clinical Information
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Reference Values
CRYPTOCOCCUS ANTIGEN SCREEN WITH TITER
Negative
CRYPTOCOCCUS ANTIGEN TITER, LFA
Negative
FUNGAL CULTURE
Negative
If positive, fungus will be identified.
Cautions
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Day(s) Performed
Cryptococcus Antigen Screen with Titer: Monday through Friday; 11 a.m., Saturday, Sunday; 1 p.m.
Cryptococcus Antigen Titer, LFA: Monday through Friday; 11 a.m., Saturday, Sunday; 1 p.m.
Fungal Culture: Monday through Sunday; Continuously
Report Available
CLFA and CLFAT: Same day/1 day-FGENC: 24 days/Positive cultures reported when detected. Preliminary negative report generated at 7 and 14 days.Performing Laboratory
Mayo Medical Laboratories in Rochester
CPT Code Information
87899–Cryptococcus Ag Screen w/Titer, CSF
87899–Cryptococcus Ag Titer, LFA, CSF (as appropriate)
87102–Fungal Culture, CSF (as appropriate) (see FGEN for more information)