Test Code LAB112 Alkaline Phosphatase Activity, Total, Plasma
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Enzymatic (p-Nitrophenylphosphate)
Literature Reference:
Package insert: Alkaline phosphatase ALP2 IFCC reagent. Roche Corporation, 4/2019.
Specimen Requirements
Note: This test is also available as part of LAB17 Comprehensive Metabolic Panel (CMP) and LAB20 Hepatic Function Panel.
Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin)
Specimen Volume: Full tube
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: 2 to 4 hours after receipt in laboratory
Test Classification and CPT Coding
84075
Reference Values
0-3 years: 110-320 Units/L
> 3-9 years: 140-420 Units/L
> 9-15 years: 130-550 Units/L
> 15-20 years: 70-260 Units/L
> 20 years: 40-130 Units/L
Literature References:
Rifai N, Horvath AR, Wittwer AT eds: Textbook of Clinical Chemistry and Molecular Diagnostics 6th ed: Chapter 29, p. 404, Elsevier, St. Louis, MO 2018.
Specimen Transport Temperature
Ambient
Additional Information
For BJH Laboratory Use Only
Alternate Tube:
1 dark-green top (lithium heparin) tube
1 plain red top tube
Analyte Stability:
See Analyte Stability Chart in Special Instructions.
Laboratory Processing Instructions:
Test performed in BJH Core Lab. Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days.
Test performed in South County Siteman and Ambulatory Cancer Building Lab. Centrifuge sample and deliver to the Cobas. Completed specimens are stored refrigerated for 5 days.
Special Instructions
See Analyte Stability Chart under General Information for a complete list.
LOINC Code Information
Name | LOINC Code |
Alkaline Phosphatase | 6768-6 |