Test directory: IgG Synthesis Rate

Ordering Code5112
Test NameIgG Synthesis Rate
Preferred SpecimenSerum and Cerebral Spinal Fluid
Preferred ContainerSST (Gold) and Cerebral Spinal Fluid Kit Tubes
Other Specimen/ContainerCerebrospinal Fluid in Sterile Container and Serum in
Plain (Red)
Optimum Volume1 mL Serum and 2 mL CSF
Collection InstructionsCSF and serum specimens must be collected within 48 hours of each other. CSF must be crystalline clear.
Handling InstructionsIf CSF is bloody, then centrifuge and aliquot CSF prior to freezing.
Transport RequirementsOahu: Frozen
Airline: Frozen
Specimen StabilityAmbient: 8 Hours
Refrigerated: 7 Days
Frozen: 3 Months
Rejection CriteriaHemolyzed, Received ambient at reference laboratory,
Xanthrochromia
Avail. StatNO
Analytic TimeUp to 7 Days
MethodologyFixed Rate Time Nephelometry
Reference Lab Quest Diagnostic Lab-NI

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
Synthesis Rate IgG, CSFALLSee report.
IgG Index, CSFALLSee report.
Albumin, CSFALLSee report.
IgG, CSFALLSee report.
IgG, SerumALLSee report.
Albumin, SerumALLSee report.