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Test Code Billings Clinic: 8530 ARUP: 50631 Immunoglobulins (IgG, IgA, and IgM), Quantitative, Spinal Fluid

Performing Laboratory

ARUP Laboratories

Methodology

Quantitative Nephelometry

Specimen Requirements

  • 1 mL of spinal fluid in a screw-capped, sterile vial or other suitable fluid container.
  • Send specimen refrigerated at 2° C to 8° C.
  • Maintain sterility and forward promptly.

Reject Due To

  • Grossly bloody specimen
  • Hemolyzed specimen
  • Specimen with obvious microbial contamination

Reference Values

Immunoglobulin A, CSF     0.0 - 0.7 mg/dL

Immunoglobulin G, CSF     0.0 - 6.0 mg/dL

Immunoglobulin M, CSF     0.0 - 0.7 mg/dL

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

82784 x 3

LOINC Code Information

Reporting Name LOINC Code
Immunoglobulin A CSF 2457-0
Immunoglobulin G CSF 2471-1
Immunoglobulin M CSF 2464-6