Alkaline Phosphatase Isoenzymes (ALP Isoenzymes)

Test Code
AKLISOS

Quest Code
231X

Components
Includes Total Alkaline Phosphatase.

CPT Codes
84075; 84080

Specimen Container
Serum Separator Tube (SST ®) tube

Preferred Specimen
2 mL serum (1 mL minimum)

Instructions
Overnight fasting is preferred

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 21 days
Frozen: 21 days

Methodology
Agarose Electrophoresis

Reference Range
See Laboratory Report

Clinical Use
When the Total Alkaline Phosphatase activity is increased, the Isoenzymes may be useful in determining the source of the increased activity.

Performed By
Quest Diagnostics Nichols Institute