Alkaline Phos Isoenzymes 231

Test Code

Alias/See Also

CPT Codes

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

Preferred Specimen
2 mL serum

Minimum Volume
1 mL

Overnight fasting

Transport Container

Transport Temperature

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

Electrophoresis • Spectrophotometry (SP)

Setup Schedule
Monday-Friday, Sunday Evening
Report available: Next Day

Reference Range
See Laboratory 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.