Test Code 1004
Test Details
Alkaline Phosphatase (Alk Phos)
Alkaline phosphatase is an enzyme that is found primarily in liver and biliary tract cells, as well as bone.
Methodology
Colorimetric
Patient Preparation
None
Preferred Specimen
1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top)
Transport Temperature
Refrigerated (ship on frozen cold packs)
Stability
Refrigerated: 7 days
Lab Values
Alkaline Phosphatase (Alk Phos)
- Optimal: <130 U/L
- Borderline: 130-200 U/L
- Increased Risk: >200 U/L
- Alert: >400 U/L
Clinical Significance
Alkaline Phosphatase (Alk Phos)
Elevated levels of alkaline phosphatase may indicate injury to liver or biliary tracts cells or bone.
Treatment Options
Alkaline Phosphatase (Alk Phos)
- Treatment is based on cause of elevation.
- Consider additional diagnostic tests as indicated.
