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Test Code LFACX Cryptococcus Antigen with Reflex, Spinal Fluid


Specimen Required


Container/Tube: Sterile vial

Specimen Volume: 1 mL


Forms

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

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 performed as a screening procedure for the general population.

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, CSF

Specimen Type

CSF

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

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

Reject Due To

Gross hemolysis Reject

Reference Values

CRYPTOCOCCUS ANTIGEN SCREEN WITH TITER

Negative

Reference values apply to all ages.

 

CRYPTOCOCCUS ANTIGEN TITER, LFA

Negative

Reference values apply to all ages.

 

FUNGAL CULTURE

Negative

If positive, fungus will be identified.

Reference values apply to all ages.

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 35 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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-Cryptococcus Ag Screen w/Titer, CSF

87899-Cryptococcus Ag Titer, LFA, CSF (as appropriate)

87102-Fungal Culture, CSF (as appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LFACX Cryptococcus Ag w/Reflex, LFA, CSF 29896-8

 

Result ID Test Result Name Result LOINC Value
62074 Cryptococcus Ag Screen w/Titer, CSF 29896-8