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Published on January 31, 2018

Cryptococcal Antigen (CSF) Cerebrospinal Fluid 

SIM

40020 

CPT

86641 

Synonyms

Cryptococcus Latex Antigen CSF; CSF Cryptococcal Antigen; CSF Crypto 

Specimen Type

Cerebrospinal fluid (CSF) 

Container

Sterile container

Collection Instructions

Collected by the physician.

Volume

1 ml CSF
Min: 0.5 ml

Additional Information

none

Patient Preparation

none

Specimen Processing Instructions

none

Transport Requirements

Refrigerated

Specimen Stability

Refrigerated: 1 week 

Rejection Criteria

Hemolyzed CSF

Reference Range

Negative

Critical Value

Positive CSF Cryptococcal Antigen 

Test Includes

Cryptococcal Antigen result by Latex agglutination;  Positive results will have a titer performed and resulted. 

Methodology

Qualitative or semi-quantitative Latex Agglutination 

Testing Frequency

Daily, Monday - Sunday 

 

Reviewed By

Sandy Hammett 

Reviewed Date

1-31-18 

Supplemental

  

Reviewed by Sandy Hammett on January 31, 2018

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