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Item Value
Available Stat? No
Test code CDPSP
Performed by ARUP
Sendout? Yes
Method LC/MS/MS
Container type Gold, Red-top, Lavender, or Dark Green top tube
Amount to Collect 2 mL (blood)
Sample type SERUM
Preferred volume 1 mL (serum)
Min. Volume 0.2 mL (serum)
Processing notes Aliquot and freeze sample. Transport to CB frozen. Order ARUP test code 2002328.
Ref Lab Rejection Criteria Specimens exposed to more than one freeze/thaw cycle.
Normal range
Synonyms Creatine, Guanidinoacetic acid, GAA, AGAT, GAMT
Stability Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 2 weeks
Turn around times 2-9 days
Additional information Initial test to diagnose or rule out creatine deficiency syndromes following clinical presentation. Order Creatine Disorders Panel, Urine, simultaneously for proper result interpretation
CPT coding 82540, 83789
LOINC code 15045-8
Last Updated 6/10/2017 11:10:32 AM
Entry Number 1791
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