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Alkaline Phosphatase
Test CodeALP
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Heparinized plasma
Instructions
Administration of STRENSIQ may interfere in certain assays and may falsely elevate values. For patients receiving STRENSIQ, consideration should be given to using alternate methods.
Transport Container
Serum separator tube (SST)
Transport Temperature
Ambient
Specimen Stability
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Anticoagulants other than heparin
Methodology
Spectrophotometry (SP)
Setup Schedule
24/7
Report Available
Same day
Reference Range
See report
Clinical Significance
Serum alkaline phosphatase levels are of interest in the diagnosis of hepatobiliary disorders and bone disease associated with increased osteoblastic activity. Moderate elevations of alkaline phosphatase may be seen in several conditions that do not involve the liver or bone. Among these are Hodgkin's disease, congestive heart failure, ulcerative colitis, regional enteritis, and intra-abdominal bacterial infections. Elevations are also observed during the third trimester of pregnancy.