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Test ID SFINC Cerebrospinal Fluid (CSF) IgG Index, Spinal Fluid


Specimen Required


Only orderable as part of a profile. For more information see SFIG / Cerebrospinal Fluid IgG Index Profile, Serum and Spinal Fluid.

 

Specimen Type: Spinal fluid

Container/Tube: Sterile vial

Preferred: Collection vial number 2

Specimen Volume: 1 mL

Collection Instructions: Label specimen as SFINC.


Secondary ID

2762

Useful For

Aiding in the diagnosis of multiple sclerosis and other central nervous system inflammatory conditions using cerebrospinal fluid specimens

Specimen Type

CSF

Specimen Stability Information

Specimen Type Temperature Time
CSF Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  14 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

Only orderable as part of a profile. For more information see SFIG / Cerebrospinal Fluid IgG Index Profile, Serum and Spinal Fluid.

 

CSF index: 0.00-0.70

CSF IgG: 0.0-8.1 mg/dL

CSF albumin: 0.0-27.0 mg/dL

CSF IgG/albumin: 0.00-0.21

Reference values have not been established for patients younger than 18 years.

 

CSF IgG synthesis rate: 0-12 mg/24 h

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82042

82784