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Lab Dept:
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Chemistry
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Test Name:
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ALKALINE PHOSPHATASE
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General Information
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Lab Order Codes:
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ALK
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Synonyms:
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ALK; Alk Phos; Alk Phosphatase; ALP
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CPT Codes:
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84075 – Phosphatase, alkaline
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Test Includes:
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Alkaline phosphatase concentration reported in U/L.
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Logistics
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Test Indications:
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Alkaline phosphatase measurements are of particular interest in the investigation of two groups of conditions: hepatobiliary disease and bone disease associated with increased osteoblastic activity.
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Lab Testing Sections:
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Chemistry
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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4 hours
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Special Instructions:
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N/A
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Specimen
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Specimen Type:
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Whole blood
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Container:
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Green top(Li Heparin) tube preferred
Alternate tube: Red top (plain, no gel) tube
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Draw Volume:
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0.6 mL blood
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Processed Volume:
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0.2 mL serum/plasma
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Collection:
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Routine venipuncture. Mix tubes containing anticoagulant by gentle inversion.
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Special Processing:
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Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into a plastic tube. Store at refrigerated temperatures.
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Patient Preparation:
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None
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Sample Rejection:
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Unlabeled specimen, improperly collected specimen
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Interpretive
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Reference Range:
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Age:
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Males (U/L)
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Females (U/L)
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0 – 1 year:
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126 – 668
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126 – 610
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1 – 2 years:
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126 – 460
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126 – 573
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2 – 7 years:
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126 – 402
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126 – 471
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7 – 10 years:
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42 – 436
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42 – 488
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10 – 13 years:
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42 – 500
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42 – 542
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13 – 17 years:
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42 - 504
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13 – 15 years:
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42 – 444
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17 – 19 years:
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42 - 243
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15 – 19 years:
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42 – 168
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>19 years:
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42 – 174
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42 – 119
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Critical Values:
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N/A
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Limitations:
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N/A
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Methodology:
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Enzymatic 37°C
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Contraindications:
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N/A
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References:
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Tietz (1999) Textbook of Clinical Chemistry, 3rd edition, Philadelphia, WB Saunders Co, p 676
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Dimension Alkaline Phosphatase Flex Insert P/N 717015.001 Rev DE, 01/2003, Dade Behring Corporation
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