Immunoglobulin G, CSF Index
| Abbrev Code: | IGGSYN | ||
| Order Code: | LAB3569 | Order Name: | Immunoglobulin G, CSF Index |
| Order Instructions: | Do not order IGGSYN if OLIGO is ordered. IGGSYN is included in OLIGO. | ||
| Synonyms: | IgG Synthesis Rate/Index | ||
| Methodology: | Immunoturbidmetry | ||
| CPT Codes: | 82042 x1, 82784 x4, 82040 x1, 82784 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1 day. | ||
Collection Instructions
| Specimen: | Blood and CSF |
| Optimal Volume: | 2 mL blood; 1 mL CSF |
| Minimum\Peds Volume: | 1.2 mL blood; 0.5 mL CSF |
| Container: | Sterile tube, Red or gold (gel) Alternate Containers: Red (no gel) |
| Collection Instructions: | Collect blood in red/black (gel) or red (plain, no gel) tube, and CSF in sterile container. Collect blood within 24 hours of CSF collection. |
| Causes for Rejection: | Hemolyzed or grossly bloody specimens. Room temperature specimens. |
Processing and Shipping
| Specimen Processing: | Separate serum from cells ASAP. Aliquot 1 mL; 0.5 mL minimum of serum. Centrifuge CSF to remove cellular material. Aliquot 1 mL; 0.5 mL minimum. Store both CSF and serum in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 14 days refrigerated and 6 months frozen (if frozen within 24 hours). |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 50676 |
Interpretive
| Reference Range: |
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