IgG,CSF / Albumin,CSF Ratio




Test Mnemonic

CGALB

CPT Codes

  • 82784 - QTY (1)
  • 82042 - QTY (1)

Includes

  • CSF Immunoglobulin G
  • CSF Albumin
  • IgG/Albumin Ratio

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLCerebrospinal fluid (CSF)Clean container Refrigerated 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
Ambient8 hours
Refrigerated7 days
Frozen14 days

Days Performed

Mon - Fri

Turnaround Time

1 - 4 days

Methodology

Name Description
Immunoturbidometric Assay 

Reference Range

Albumin, CSF
Sex Age From Age To Type Range Range Unit
 3 Months47 MonthsNormalless than 45mg/dL
 4 Years99 YearsNormal10 - 30mg/dL
IgG, CSF
Sex Age From Age To Type Range Range Unit
       Normal1.0 - 3.0mg/dL
IgG,CSF / Albumin,CSF Ratio
Sex Age From Age To Type Range Range Unit
       Normal0.06 - 0.17.

Clinical Info

Evaluation of central nervous system immune response as an aid in the diagnosis of multiple sclerosis and other inflammatory processes in the CNS.