Test ID: ZG392
Component(s): Z2005 IgG, Quant, CSF LOINC: 2464-6, Z2006 Immunoglobulin A, Quant, CSF LOINC: 2457-0, Z2007 Immunoglobulin M, Quant, CSF LOINC: 2471-1
CPT code: 82784X3
LOINC:
Specimen Type: CSF Transfer Tube
Frequency: 3 – 5 days
Instructions: 2 mL CSF, Ambient. Min 0.75 mL.
Text: Evaluate CNS involvement by infection, neoplasm, or primary neurologic disease(in particular, multiple sclerosis). In inflammatory processes in which serum leaks into CSF, both IgG & albumin will be present in the CSF in increased amounts. IgA within the CNS may indicate bacterial infection. IgM is most prominent in patients with mumps-meningoencephalitis.
Methodology: Immunologic