Test directory: Creatine, Serum or Plasma

Ordering Code5139
Test NameCreatine, Serum or Plasma
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerPlasma in EDTA, K2 (Lavender),
Plasma in Lithium Heparin (Green),
Plasma in Sodium Heparin (Green),
Serum in Plain (Red)
Optimum Volume1 mL
Handling InstructionsSeparate serum or plasma from cells ASAP or within 2 hours of collection,
Transport RequirementsOahu: Frozen
Airline: Frozen
Specimen StabilityAmbient: Not Stable
Refrigerated: 7 Days
Frozen: 2 Weeks
Rejection CriteriaSpecimens exposed to more than one freeze/thaw cycle
Avail. StatNO
Analytic TimeUp to 13 Days
MethodologyLiquid Chromatography/Tandem Mass Spectrometry
Reference Lab ARUP Laboratories

Reference range(s)

The reference ranges listed below are valid on this date of April 23, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
CreatineALLSee report.