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Test Code CFIGG IgG Albumin Ratio, CSF

Collection Container

CSF

Specimen Required

Cerebral Spinal Fluid

Specimen Volume

0.5 mL

Minimum Specimen Volume

0.4 mL

Transport Temperature

Refrigerate

Specimen Stability

Room temperature: 1 day, Refrigerated: 7days, Frozen: Not
recommended

Methodology

Immunoturbidimetric

Reference Ranges

0.0-23.2%

Turnaround Time

1 – 4 days

Day(s) and Time(s) Performed

Test performed daily

CPT Code

82042, 82784

Units of Measure

mg/dL

LOINC Code

2470-3