Ordering Recommendation

Aids in diagnosis of multiple sclerosis.

Mnemonic
IGG/ALB
Methodology

Nephelometry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

CSF.

Specimen Preparation

Centrifuge and separate to remove cellular material. Transfer 1 mL CSF to an ARUP Standard Transport Tube. (Min: 0.4 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Grossly bloody or hemolyzed specimens.

Remarks
Stability

Ambient: 8 hours; Refrigerated: 8 days; Frozen: 1 year

Reference Interval

IgG, CSF: 0.0-6.0 mg/dL
Albumin, CSF: 0-35 mg/dL
CSF IgG/Albumin Ratio: 0.09-0.25

Interpretive Data



Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

82784; 82042

Components
Component Test Code* Component Chart Name LOINC
0050200 Albumin, CSF 1746-7
0050670 Immunoglobulin G CSF 2464-6
0080175 CSF IgG/Albumin Ratio 2470-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • IgG/Albumin Ratio, CSF
  • Albumin Ratio
  • IgG/Albumin Ratio
  • Specific Protein (CSF)
Immunoglobulin G/Albumin Ratio, CSF