Alkaline Phosphatase Isoenzymes

Message

Update 8/15/18 JAV

Test Code

ALKPISO

Quest Code

231

Alias/See Also

231

CPT Codes
84075, 84080

Includes

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

Preferred Specimen

2 mL serum

Minimum Volume

1 mL

Instructions

See individual assays

Transport Temperature

Refrigerated

Specimen Stability

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

Methodology
Electrophoresis • Spectrophotometry (SP)

Setup Schedule

Night Sets up 5 days a week.

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
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042

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.