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Alkaline Phosphatase Isoenzymes

Test Code
ALPQ


Alias/See Also

LAB2926



CPT Codes
<p>84075, 84080</p>

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


Preferred Specimen

Specimen Type: Serum


Collection Container/Type


Preferred: Serum gel


Acceptable: Red top


Submission Container/Tube: Plastic vial


Specimen Volume: 2 mL



Minimum Volume

1 mL



Transport Temperature
Room temperature


Specimen Stability

Room temperature: 7 days


Refrigerated: 21 days


Frozen: 21 days



Methodology

Electrophoresis • Spectrophotometry (SP)



Setup Schedule
Set up: Sun-Fri; Report available: 2-5 days


Report Available

2-5 days



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




Last Updated: February 17, 2023


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.