Alkaline Phosphatase Isoenzymes [231X]

Test Code
231X

Includes
Alkaline Phosphatase, Intestinal Isoenzymes, Bone Isoenzymes, Liver Isoenzymes, Placental Isoenzymes, Macrohepatic Isoenzymes

Preferred Specimen
2 mL serum collected in a serum separator tube (SST®)

Minimum Volume
1 mL

Instructions
Age and sex of patient are necessary for interpretation of results.

Transport Container
Plastic screw-cap vial

Transport Temperature
Room temperature

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

Methodology
Agarose Electrophoresis

Reference Range
See Medical 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
14225 Newbrook Drive
Chantilly, VA 20153




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.