Alkaline Phosphatase Bone Specific, Blood (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Description
Test ordering requirements
Preferred specimen collection
- Refer patient to a Laboratory Health Services Centre or a Hospital Test Centre able to process specimens within required time frame
Forms required
- Specimen must arrive at SPH laboratory with copy of requisition
- Fill in the ‘Other tests’ location on the Acute Care Phlebotomy Requisition
Clearance required
- Approval is required for all physicians other than nephrologists
- Contact Biochemist On Call through RUH switchboard (306- 655-1000) to have this test approved
Alias
- Bone specific-ALP
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
- Preferred collection container: Gold (gel)
- Alternative collection container: Red (non-gel)
Collection procedure
- Specimen must be aliquotted and frozen within 60 minutes of collection
- Store frozen and ship on dry ice
Required volume
- Optimal volume: Full 4.5 mL collection tube
- Minimum volume: 1 mL serum
(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.)
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Clinical interpretation
- Bone specific alkaline phosphatase is a sensitive and reliable marker for metabolic bone and parathyroid diseases
Performance
Days/times performed
| Availability |
|
| Testing site |
|
Maximum laboratory time
Results reporting
- 6 day turnaround time by testing laboratory
Last Updated: January 8, 2026