Test directory: Cystine, Quant w/Creat, Rnd Ur

Ordering Code4755
Test NameCystine, Quant w/Creat, Rnd Ur
AliasCystine, Quant w/Creatinine, Random Urine
Preferred SpecimenUrine, Random
Preferred ContainerSterile Container
No Preservative
Other Specimen/ContainerRandom Urine in Clean Container
Optimum Volume20 mL
Collection InstructionsDo Not use preservatives
Patient age & sex required on requisition
Freeze immediately. Do not thaw.
Handling InstructionsFreeze immediately. Do not thaw.
Transport RequirementsOahu: Frozen
Airline: Frozen
Specimen StabilityAmbient: Not Stable
Refrigerated: Not Stable
Frozen: 2 Months
Rejection CriteriaAmbient, pH<2, Preservatives used, Refrigerated, Thawed
Avail. StatNO
Analytic TimeUp to 10 Days
MethodologyLiquid Chromatography Mass Spectrometry (LCMS)
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of April 25, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
CystineALLSee report.
Creatinine, Random UrineALLSee report.