Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

MiChart Code
Alkaline phosphatase, isoenzymes
Soft Order Code

Test Updated:


ALK Phosphatase Fractionation
Alkaline Phosphatase Isoenzyme, Bone
Alkaline Phosphatase Isoenzyme, Liver
Fractionated Alkaline Phosphatase
Regan Isoenzymes
Alkaline Phosphatase Isoenzyme
5'Nucleotidase, Serum
Alkaline Phosphatase Isoenzyme, Intestine

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

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Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Electrophoresis, Densitometry

Test Usage

Determining the tissue source of increased Alkaline Phosphatase activity in serum and differentiating between liver and bone sources of elevated Alkaline Phosphatase.

Reference Range

Age and sex specific reference ranges provided with report.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Instructions

Collect blood in a red top or SST tube. Centrifuge, aliquot serum into two plastic vials (0.5 mL each), and freeze. Hemolyzed specimens are not acceptable.

Red Top Tube
Yellow Top Tube
Normal Volume
1 mL serum (two 0.5 mL aliquots)
Minimum Volume
0.5 mL serum (two 0.25 mL aliquots)

Billing Information

CPT Code
Pro Fee Code
Insurance Auth Info

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.