Immunoglobulin G, CSF Index : ARUP Lab Tests

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Immunoglobulin G, CSF Index : 0050676

Mnemonic: IGG SYN

Methodology:	Quantitative Nephelometry
Performed:	Sun-Sat
Reported:	Within 24 hours
Specimen Required:	Collect: CSF AND serum separator tube. Specimen Preparation: Centrifuge and separate CSF to remove cellular material. Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL CSF AND 1 mL serum to individual ARUP Standard Transport Tubes. (Min: 0.4 mL CSF AND 0.4 mL serum) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Grossly bloody or hemolyzed specimens. Stability (collection to initiation of testing): 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
Cross References:	IgG, CSF Index (Immunoglobulin G, CSF Index), Immunoglobulin G Index (Immunoglobulin G, CSF Index), Immunoglobulin G Synthesis Rate (Immunoglobulin G, CSF Index)

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