Cryptococcal antigen testing is routinely performed on all CSF specimens submitted for fungal culture (if specimen volume allows).
For known/suspected Creutzfeldt-Jacob Disease (CJD), contact Microbiologist-on call (MOC) BEFORE COLLECTION of ANY type of specimen from the central nervous system.
Phone: 1-800-661-9876 and request the MOC for Calgary/South zones.
Provision of relevant clinical information is important to ensure a clinically relevant result Always provide/record: • clinical history - symptoms, signs, and duration • antimicrobial history • travel history • Is the patient immunocompromised: - chronic infections - steroid and other immunosuppressive therapy - post-transplant - hematological or other malignancy
Collection Device/Tube Type:
10 mL sterile tube
Comments:
Submit a minimum of 3 mL CSF in sterile screw-cap tube (1.5mL is acceptable for neonates).
If adequate volume is collected, four (4) separate sterile screw-cap tubes are preferred
Label each tube with: • Patient’s first and last name • Personal Health Number (PHN) or Regional Health Record Number (RHRN) • Date and time of collection • Specimen source (CSF and i.e. lumbar, shunt, EVD) • Tube identification number (1, 2, 3, 4) indicating order of collection
Handling and Storage:
Room temperature
Handling/Storage Comments:
Transport CSF specimens immediately to the laboratory within 15 minutes after collection; the pneumatic tube system may be used for transport to the collection site laboratory
Specimen must be received in the testing laboratory within 1 hour of receipt in the hospital laboratory. Do not leave specimen on the reception counter; give directly to laboratory staff
Store specimen at room temperature. Do NOT refrigerate.
DSC Laboratory Staff only • Transport specimens for Microbiology testing STAT to the Microbiology laboratory Note: CSF specimens with CJD requests: follow Transportation of Dangerous Goods (TDG) protocol and APL Biological and Chemical Exposure Response Plan (BCERP) procedures
CSF Fungal culture includes Cryptococcal antigen and Calcofluor white stain.
• If further information is required, contact the Microbiologist On-Call: Phone 1-800-661-9876, and request the On-call Microbiologist for Calgary/South zones.
Last Reviewed:
05 May 2023
Fungal culture, CSF (Calgary/South)
Printed:
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