Immunoglobulin G, CSF Index : ARUP Lab Tests

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Immunoglobulin G, CSF Index : 0050676

Mnemonic: IGG SYN

Methodology:	Nephelometry
Performed:	Sun-Sat
Reported:	Within 24 hours
Specimen Required:	Collect: CSF and one 4 mL serum separator tube. Transport: 1 mL CSF and 1 mL serum at 2-8°C. (Min: 0.5 mL CSF and 0.5 mL serum) Submit specimens in ARUP Standard Transport Tubes. Pediatric Collection/Transport: 0.3 mL CSF and 0.3 mL serum at 2-8°C. Remarks: Separate serum from cells ASAP. Centrifuge and separate to remove cellular material. Unacceptable Conditions: Grossly bloody or hemolyzed specimens. Stability: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 1 year (if frozen within 24 hours)

Reference Interval: IgG, Serum: 768-1632 mg/dL IgG, CSF: 0.0-6.0 mg/dL Albumin, Serum: 3500-5200 mg/dL Albumin, CSF: 0-35 mg/dL Albumin Index: 0.0-9.0 CSF IgG Synthesis Rate: £8.0 mg/d IgG Albumin Ratio: 0.09-0.25 IgG Index: 0.28-0.66
CPT Code(s):	82784 x2 Immunoglobulins; 82040 Albumin, serum; 82042 Albumin, CSF

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