0050680
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Immunoglobulin G/Albumin Ratio, CSF

IGG/ALB
Example Reports
Abnormal
Normal

Ordering Recommendation

Aids in the assessment of CSF IgG/albumin ratio in the absence of a paired serum specimen.

New York DOH Approval Status

This test is New York state 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: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Grossly bloody or hemolyzed specimens.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 6 months

Methodology

Quantitative Immunoturbidimetry

Performed

Sun-Sat

Reported

Within 24 hours

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

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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