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Alkaline phosphatase isoenzymes

Test Code
ALKIS


Quest Code
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


Transport Container
Transport tube


Transport Temperature

Room temperature



Specimen Stability

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



Methodology
Electrophoresis • Spectrophotometry (SP)

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-Chantilly VA
14225 Newbrook Drive
Chantilly, VA 20151-2228




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.