Days Set Up
Monday - Friday
Analytic Time

3 - 4 days

Soft Order Code

Test Updated:


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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

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

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Colorimetry, Spectrophotometry, Electrophoresis

Test Usage

Distinguishing between chylous and nonchylous effusions or identifying iatrogenic effusions.

Reference Range

Interpretive report provided.

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

Specimen Requirements

Collection Instructions

Collect 3 mL of fluid. Centrifuge, separate supernanent, and send appropriately labeled supernatent and sediment in plastic vials frozen on dry ice. Note specimen source on requisition.

Normal Volume
3 mL fluid
Minimum Volume
3 mL fluid

Billing Information

CPT Code
82664, 84478, 84311
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.