Creatine Disorders Panel

Overview

  • EPIC Code:
  • Soft Test Code:
  • MSOT
  • Send Out Test Code:
  • 2002328
Alternate Names
  • AGAT
  • Creatine Disorders Panel, Plasma or Serum
  • GAA + Creatine
  • GAA and Creatine
  • GAMT
  • Guanidinoacetic Acid + Creatine
  • Guanidinoacetic Acid and Creatine
Included Tests

Creatine; Guanidinoacetic Acid


Clinical Significance

Initial test to diagnose or rule out creatine deficiency syndromes following clinical presentation. 


Specimen Collection & Preparation

Client Notes:

Patient History Form and this listed Clinical information is needed for appropriate interpretation.
Additional Clinical Information 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 Client Services.


Specimen Requirements

1.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial

Alternate Specimen

1.0 mL Serum from a Red Top Tube in a Plastic Vial 
or 
1.0 mL Serum in a SST Gold Top Tube 
or 
1.0 mL Plasma from a Lavender Top Tube - EDTA in a Plastic Vial

Mix by inverting tube 8 to 10 times.
Separate from cells ASAP or within 2 hours of collection.
Transfer 1 mL serum or plasma to an Plastic Vial and freeze immediately.

TransportAndStorage

1 week Refrigerated
2 weeks Frozen (preferred)

Collection Instructions

Mix by slowly inverting tube 8 to 10 times.
Separate from cells ASAP or within 2 hours of collection. 
Transfer 1 mL plasma to an Plastic Vial and freeze immediately.

Clinical Interpretation

Reference Range:

Refer to Interpretive Results


Methodology:
  • Liquid Chromatography / Tandem Mass Spectrometry (LC-MS/MS)

Clinical Significance

Initial test to diagnose or rule out creatine deficiency syndromes following clinical presentation. 


Documentation

Order Creatine Disorders Panel, Urine 2002333, simultaneously for proper result interpretation.

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.


Production Schedule

Sites Performed
  • ARUP Lab
Days Performed
Monday
Departments
  • Sendouts - Miscellaneous
Turn Around Time

2 to 9 days


Coding & Compliance

CDM

00913333


CPT Coding

82540; 82542