Biotinidase Qualitative, Blood (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Description
Test ordering requirements
Forms required
- Requisitions must have specific test indicated
- Miscellaneous Specimen Requisition Form #101878 or SHR Laboratory Medicine Community Laboratory Requisition Form #101064 or Acute Care Phlebotomy Requisition Form #101062
Alias
- Biotinidase deficiency
Specimen Information
Specimen types accepted
- Whole blood
Specimen collection container
- Preferred collection container: Dark Green (Lithium Heparin) 4.0mL
- Alternative collection container: Dark Green (Sodium Heparin) 4.0mL
Required volume
- Optimal volume: 4 mL whole blood
- Minimum/Pediatric volume: 1 mL whole blood
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- Whole blood must be received within 24 hours of collection
- Store whole blood at room temperature
- Neonatal Screen Card should be spotted with whole blood within 24 hours of collection.
- Once spotted, the Neonatal Screen Card should be allowed to dry for 3-4 hours & shipped to referral laboratory at ambient temperature.
Rejection criteria
- Clotted specimens will be rejected
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Relevant clinical history
- Family history
- Must include diagnosis and/or patient symptoms on the requisition.
Clinical interpretation
- Result interpretation should be correlated with clinical and other laboratory findings.
Performance
Methodology
- Available upon request
Days/times performed
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Maximum laboratory time
- 7 day turnaround time by referral laboratory
Other information
Additional comments
- The Neonatal Screen card will be spotted when whole blood received in the lab.
Last Updated: October 16, 2024