ARUP's Laboratory Test Directory

Creatine Disorders Panel, Urine : 2002333
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Patient History For Biochemical Genetics
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Additional Technical Information


Mnemonic: CRTN DIS U

Methodology: Liquid Chromatography/Tandem Mass Spectrometry
Performed: Mon
Reported: 2-9 days
Specimen Required: Collect: Random or timed urine.

Specimen Preparation: Transfer 2 mL urine to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.5 mL)

Storage/Transport Temperature: Frozen.

Remarks: Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (e.g., TPN therapy), drug therapy, and family history. Biochemical Genetics Patient History Form is available on the ARUP Web site at http://www.aruplab.com/patienthistory or by contacting ARUP Client Services.

Unacceptable Conditions: Specimens exposed to more than one freeze/thaw cycle.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 2 weeks
Reference Interval:
Reports include age appropriate reference intervals and interpretation
 
Test Number Components Reference Interval
 Creatine, Urine By report
 Guanidinoacetic Acid,  Urine By report
 Creatinine, Urine By report

CPT Code(s): 82540; 82570; 83789
Cross References: AGAT (Creatine Disorders Panel, Urine), GAA + Creatine (Creatine Disorders Panel, Urine), GAMT (Creatine Disorders Panel, Urine), Guanidinoacetic Acid + Creatine (Creatine Disorders Panel, Urine)