Immunoglobulin G Index
Test Code: 002238
Performing Lab: LabCorp
CPT Code: 82042 001 82784 002 82040 001
Synonym
CSF IgG Index; CSF IgG:CSF Albumin Ratio; CSF IgG:CSF Total Protein Ratio; IgG Index, CSF; IgG Ratios and IgG Index, CSF
Specimen Type
Serum AND cerebrospinal fluid (CSF)
Specimen Container
Red-top tube or gel-barrier tube AND sterile (CSF) container
Volume
1.5 mL serum AND 1 mL CSF
Minimum Volume
0.7 mL serum AND 0.5 mL CSF (NOTE: This volume does NOT allow for repeat testing.)
Temperature
Room temperature
Methodology
CSF IgG, CSF albumin, and serum IgG: immunologic; serum albumin: spectrophotometry; ratio and index by calculation
Stability
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 6 weeks
Refrigerated: 14 days
Frozen: 6 weeks
TAT
3 - 6 days shift.
| Result Code | Result Name | LOINC |
|---|---|---|
| 012212 | IgG, Quant, CSF | 2464-6 |
| 012230 | Albumin, CSF | 1746-7 |
| 001776 | Immunoglobulin G, Qn, Serum | 2465-3 |
| 001081 | Albumin | 1751-7 |
| 160311 | IgG/Alb Ratio, CSF | 2470-3 |
| 101124 | CSF IgG Index | 14117-6 |
Select Print Details
Select an option which you would like to print: