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Unit Code 88697:
Creatine Disorders Panel, Urine

Useful For Suggests clinical disorders or settings where the test may be helpful

Evaluation of patients with a clinical suspicion of inborn errors of

creatine metabolism including arginine:glycine amidinotransferase

deficiency, guanidinoacetate methyltransferase deficiency, and

CrT1 defect

Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request

Evaluation of patients with a clinical suspicion of inborn errors of

creatine metabolism including argine:glycine amidinotransferase

deficiency, guanidinoacetate methyltransferase deficiency, and CrT1

defect. Correct specimen collection and handling is crucial to achieve

reliable results. Creatine supplementation will cause falsely

elevated results.

Additional Tests Lists test(s) that are always performed, at an additional charge, with the initial test(s)

 Unit Code  Reporting Name  Available Separately  Always Performed 
 23466  Creatine, (Bill Only), U No Yes
 23467  Creatinine, (Bill Only), U No Yes
 23468  Guanidinoacetate, (Bill Only), U No Yes

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

#88697 "Creatine Disorders Panel, Urine" is a single test that carries the

results for the panel. When the test is resulted, the following tests are

billed:

#23466 "Creatine, (Bill Only), Urine"

#23467 "Creatinine, (Bill Only), Urine"

#23468 "Guanidinoacetate, (Bill Only), Urine"

Method Name A short description of the method used to perform the test

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

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Creatine Disorders Panel, U

Ordering Mnemonic An alternate Mayo code (to the Unit Code) for a test

CRDPU

Aliases Lists additional common names for a test, as an aid in searching

AGAT (Arginine:Glycine Amidinotransferase) Deficiency

Arginine:Glycine Amidinotransferase Deficiency

CrT1 defect

GAMT (Guanidinoacetate Methyltransferase) Deficiency

Guanidinoacetate Methyltransferase (GAMT) Deficiency

Soft-CRDPU