Specimen Requirements

Title

Alkaline Phosphatase Isoenzymes (Includes Total Alkaline Phosphatase)

Specimen Requirement

Draw blood in a SST/2.0 mL serum. Spin to separate.

*ALSO KNOWN AS FRACTIONATION*

Methodology

Spectrophotometry/Electrophoresis

Stability

Room Temp 7 DAYS, REFRIGERATED 21 DAYS, FROZEN 21 DAYS

Reference Range

By report*

Turnaround

3-5 days Tuesday-Saturday

Clinical Use

Used to evaluate the contribution of various ALP isoforms derived from liver, gallbladder, bone, lung, leukocyte, fetal-derived tissue, small bowel and large bowel to total ALP. Used in the investigation of elevations of ALP to determine the tissue of origin.

Test Code

APISO