IMMUNOGLOBULIN G INDEX
| Synonyms: | IgG ratios and IgG Index; Test includes: IgG Quant, CSF, Albumin CSF, Immunoglobulin G Quant Serum, Albumin, IgG/Alb Ratio CSF, CSF IgG Index |
| Computer Code: | (RIGI) |
| Specimen Collection: | 5 mL blood (red or gold top tube). AND 1 mL Cerebrospinal Fluid. |
| Minimum Volume: | Serum: 2.0 mL CSF: 0.5 mL |
| Handling Instructions for Offsite Areas: | Serum: Allow to clot, centrifuge, remove serum, refrigerate. Min 0.7 mL serum. CSF: Use tube 3 if possible. Refrigerate. Min. 0.5 mL CSF. |
| Reference Values: | See reference laboratory report. |
| Lab Code: | Send Out |
| Requisition: | SPEC C |
| Test Frequency: | N/A |
| Routine TAT: | |
| Stat TAT: | N/A |
| CPT Code(s): | 82040, 82042, 82784x2 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |