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Home Our Specialties Pathology Pathology Lab Services ALKALINE PHOSPHATASE (HEAT STABLE), SERUM

ALKALINE PHOSPHATASE (HEAT STABLE), SERUM

Pathology Laboratory Services

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Criteria for Unacceptable Samples

Critical Test Results and Laboratory Values

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Lab Section Category	Clinical Biochemistry View write-up
Specimen Required	3 mL plain blood
Method	Heat inactivation at 56⁰C for 10 min, before testing for alkaline phosphatase activity.
Reference Interval / Value	Cut-off Point: <20% predominantly bone ALP, 25-55% indicates predominance of liver and/or intestinal ALP
Turnaround Time	Mean = 4hrs, Range: 3 – 5 hrs
Day(s) Test Set up	Daily