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Cryptococcal Antigen


Sunquest Code:CRYPTA  
Epic Code:LAB1194Epic Name:CRYPTOCOCCAL ANTIGEN
Methodology:Lateral flow
CPT Code:87899
Test Includes:Screen for Cryptococcal Antigen and titer if positive.
Turnaround Time:Performed 24 hours/day. If positive, titer performed Mon-Fri, 0730-1500.


Collection Instructions

Specimen:CSF or blood,
Optimal Volume:1 mL CSF, 4 mL blood
Minimum Volume:0.5 mL CSF, 1.2 mL blood
Container:Microbiology containers. Alternate: Plastic leakproof container, sterile.
Collection Instructions:Collect blood in red/black (gel) tube. Alternate containers: red (plain) tube; collect CSF in sterile container
Causes for Rejection:Gross hemolysis; lipemia; turbidity. For optimal results, sterile non-hemolyzed serum should be used.


Processing and Shipping

Specimen Processing:Blood: Centrifuge and aliquot 1.8 mL serum (0.5 mL minimum) and store at refrigerated temperature. CSF: Store in a sterile container at refrigerated temperature.
Shipping Instructions:Ship to arrive within 72 hours of collection at refrigerated temperature.
Test Performed at or Referral Lab Infectious Diseases Diagnostic Lab-Microbiology  (UMMC-East Bank)


Interpretive

Critical Range:Positive
Reference Range:Negative


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