Days Set Up
Tuesday
Analytic Time

11 - 20 days

MiChart Code
Creatine Disorders Panel, Urine
Soft Order Code
CRDPU

Test Updated:

Synonyms
 

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

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

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Test Overview

Test Methodology

Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS) Stable Isotope Dilution Analysis

Test Usage

This test is useful for the evaluation of patients with a clinical suspicion of inborn errors of creatine metabolism, including arginine:glycine amidinotransferase (AGAT) deficiency, guanidinoacetate methyltransferase (GAMT) deficiency and cellular transport (CrT1) defects.

Reference Range

Interpretive report provided.

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

Specimen Requirements

Collection Onsite

Collect random urine specimen with no preservative. Aliquot 1 mL into a plastic urine container and freeze immediately.

Collection Offsite

Collect random urine specimen with no preservative. Aliquot 1 mL into a plastic urine container and freeze immediately.

100ml Plastic Specimen Container
Normal Volume
1 mL aliquot of random urine collection
Minimum Volume
0.5 mL aliquot of random urine collection

Billing Information

CPT Code
82540, 82570, 83789
Pro Fee Code
 
LOINC
 

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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.