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Labcorp Oklahoma, Inc.
Test Directory


Index:

Alkaline Phosphatase

Order Name ALK PHOS
Test Number: 2000250
Revision Date 04/26/2021
Test Name Methodology LOINC Code
Alkaline Phosphatase
Enzymatic 6768-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Alternate 1 1 mL (0.5) Serum Clot Activator SST Refrigerated
Instructions Refrigerated = Ambient 7 days, Refrigerated 7 days, Frozen 2 months
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Useful for evaluating liver disease. 
CPT Code(s) 84075
Lab Section Chemistry