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Laboratory Test Directory

Creatine Disorders Panel, Urine


Name Method Department Units
Creatine Disorders Panel, Urine Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
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Battery Members

Creatine, Urine; Guanidinoacetic Acid, Urine; Creatinine, Urine

Specimen Requirements


Container Type Container Size Specimen Volume

Sterile container

N/A 2 mL

Frozen - 2 week(s)

Specimen Preparation

  • Freeze immediately after collection.

Reasons for Rejection

  • Not frozen within specified time frame


Initial test to diagnose or rule out creatine deficiency syndromes following clinical presentation. Order Creatine Disorders Panel, Serum/Plasma (2002328), simultaneously for proper result interpretation.

Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (e.g. TPN therapy), drug therapy, and family history. Please complete form linked below.

CPT Code

  • 82540
  • 82570
  • 82542