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Geisinger Medical Laboratories Test Catalog
CRYPTOCOCCAL ANTIGEN, CSF |
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Geisinger Epic Procedure Code: LAB2108
Geisinger Epic ID: 46335
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SPECIMEN COLLECTION |
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Specimen type: |
CSF | |
Preferred collection container: |
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Specimen required: |
2 mL CSF in sterile screw-cap tube; minimum 1 mL | |
Special notes: |
Check expiration date on transport device before use | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
A fungus culture must also be performed in conjunction with this test. This applies to Geisinger Health Care System patients only. | |
Transport temperature: |
Room temperature. If a significant delay is expected, refrigerate at 2-8ºC. | |
Specimen stability: |
Stable 72 hours refrigerated at 2-8ºC. | |
Rejection criteria: |
Improperly labeled/identified specimen. Insufficient volume for testing. | |
TEST DETAILS |
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Reference interval: |
Negative for Cryptococcal Antigen | |
Critical values/courtesy alerts: |
Positive for Cryptococcal Antigen | |
CPT code(s): |
87899 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Direct detection of cryptococcal antigen in CSF | |
Methodology: |
Immunochromographic Lateral Flow |
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Synonyms: |
Cryptococcus, fungus, India ink, yeast CAGCSF
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Clinical significance: |
A positive test result from a CSF specimen is indicative of active cryptococcal CNS infection | |
Doctoral Director(s:) |
Donna Wolk PhD, D(ABMM), Raquel Martinez, PhD, D(ABMM) | |
| Review Date: | 12/31/2022 | |