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Alkaline Phosphatase, Bone Isoenzyme
Alternative Names/Synonyms
BALP, Ostase
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Biochemistry
Specimen Type
Blood
Test Code
BALPS, BALPP
Clinical Significance
Assisting management of postmenopausal osteoporosis and Paget's disease, monitoring of postmenopausal women on hormonal or bisphosphonate therapy.
Specimen Requirements (Sample Type)
Serum, Plasma
Specimen Requirements (Volume (mL))
0.5 mL
Specimen Requirements (Tube Type)
Serum (Gold SST)
Plasma (Light Green PST)
Collection Containers – Tube Types
Draw (mL)
4.5 mL
Collection Requirements
Blood Collection Instructions
Sample Stability
Room Temperature
: 24 hours
Fridge
: 2 days @ 2-8°C
Freezer
: 2 months @ -70°C;
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
UniCel DxI 600, immunoassay
Test Availability
Weekdays
Routine Turnaround Time
1 week
Reference Ranges
Pre-menopausal Females: ≤ 14 μg/L
Post-menopausal Females: ≤ 22 μg/L
Males: ≤ 20 μg/L
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
Laboratory Contact Information
416-586-4800 extension 4688