Days Set Up
Monday, Wednesday, Friday
Analytic Time

2 - 5 days

MiChart Code
Ketoacids, Urine by DNPH (MMGL)
Soft Order Code

Test Updated:


Alpha-Keto Acids
Urine Ketoacids, DNPH
DNPH assay for alpha ketoacids

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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

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Test Overview

Test Methodology

DNPH spot test

Test Usage

To determine urine ketoacid excretion in MSUD (maple syrup urine disease) patients. Test is also positive in patients with PKU (phenylketonuria).

Reference Range

Interpretive report provided.

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

Specimen Requirements

Collection Offsite

Please notify MLabs Client Services Center to schedule testing prior to collecting specimen. Collect random urine specimen and freeze. Freeze each specimen immediately after collection if multiple collections are needed to reach the minimum volume. Include the patient's family history, clinical condition (asymptomatic or acute), diet, and a list of current medications with the test requisition.

Normal Volume
10 mL urine
Minimum Volume
2 mL urine

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.