Laboratory Test Information Guide

Details for Blastomyces Culture

Test Name: Blastomyces Culture
Alternate Name(s):  
Laboratory: Microbiology (VH)
Specimen Type: Bone, Bone Marrow
Respiratory (sputum, tracheal aspiration, bronchial wash)
Skin Lesions (scrapings or exudates)
Subcutaneous Lesions or Aspirates
Collection Information: Bone - Send in sterile container.

Bone Marrow - Submit in a sterile container.

CSF - Submit 2 mL in a sterile container.

Sputum - Have the patient rinse mouth and gargle with water. Instruct patient not to expectorate saliva or postnasal discharge. Collect early morning sample from deep productive cough. Select blood-stained or purulent material and send in a sterile container.
Tracheal Aspirate - Send as much as possible in a sterile container.
Bronchial Wash - Send a minimum of 5 mL in a sterile container.

Skin Scrapings, Subcutaneous Lesions or Exudates - Express pus or aspirate material from cysts or abscesses. Scrape encrusted portions from deep centre and edge of active lesions. Place in a sterile container. If necessary, add a small amount of saline to keep moist during transit.

Tissue - Collect tissue from the centre and edge of lesion. Place in a sterile container and add a small amount of saline to keep sample moist during transit.

Swabs are inferior to biopsy or aspirated samples. Do not use fixatives or preservatives. Transport as soon as possible.
Test Schedule: Referred out weekdays to the Public Health Laboratory.
Turnaround time from when specimen
is received in testing laboratory:
1 month
Reference Range:  
Effective Date:  
Revised Date: 2018-06-15
Critical Value:  
Interpretive Comments:  
Special Processing: Clinical history is important for adequate testing.
Method of Analysis: Microscopy, culture
Critical Information Required: When ordering, specify Blastomyces.
Storage & Shipment: The specimen must be refrigerated.
The specimen must be received within 24 hours of collection.
System Codes: 
FUNG-specify Blastomyces
Referred To: Toronto Public Health Laboratory

Questions? Comments? Contact Laura Gopaul