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Alkaline Phosphatase Isoenzymes
Test CodeLAB741
Quest Code
231
Alias/See Also
alkpi, alpi, Fractionated Alkaline Phosphatase
CPT Codes
84075, 84080
Includes
Alkaline Phosphatase, Intestinal Isoenzymes, Bone Isoenzymes, Liver Isoenzymes, Placental Isoenzymes, Macrohepatic Isoenzymes
Preferred Specimen
2 mL serum
Minimum Volume
1 mL
Instructions
See individual assays
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 21 days
Frozen: 21 days
Methodology
Electrophoresis • Spectrophotometry (SP)
Setup Schedule
Night Sets up 5 days a week.
Reference Range
See Laboratory Report
Clinical Significance
When the Total Alkaline Phosphatase activity is increased, the Isoenzymes are useful in determining the source of the increased activity.
Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042