Days Set Up
Test available by special request only; contact MLabs at least 24 hours in advance of specimen collection. Test set up Daily, 7 am - 3 pm.
Analytic Time

Quantitative results are reported in 48 hours. Negative cultures are reported after 48 hours.

MiChart Code
Duodenal Aspirate, Culture
Soft Order Code

Test Updated:


Culture, Duodenal Fluid, Quantitation
Duodenal Quantitation, Routine Culture

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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


Test Usage

Quantify organisms to screen for organism overgrowth.

Reference Range

No growth

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

Specimen Requirements

Collection Offsite

Notify MLabs Client Services Center prior to specimen collection. Aseptically prepare aspiration site before collection. Layer fluid on top of solid media in anaerobic transport; DO NOT PUSH DOWN INTO MEDIUM.

Normal Volume
1 - 2 mL duodenal aspirate fluid
Minimum Volume
1 - 2 mL duodenal aspirate fluid

Billing Information

CPT Code
Pro Fee Code

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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.