Room Temperature: 8 hours: Refrigerated: 8 days; Frozen 1 year (if frozen within 24 hours)
Ordering Recommendations
The cerebrospinal fluid immunoglobulin G is used in evaluations for suspected diseases of the central nervous system. It is used, along with CSF albumin, serum IgG and serum albumin, to calculate the CSF IgG index.
Performed
Monday - Friday; Days
Methodology
Rate Nephelometry
Reported
1-3 days
Performing Lab
Special Chemistry
Synonyms
6650
CSF IgG
IgGCSF
Immunoglobulin G (IgG), CSF Quant
Reference Interval
0.5-6.1 mg/dL
CPT Codes
82784
LOINC Codes
NAME
LOINC
Order
IgG CSF QN
2464-6
Result
IgG CSF QN
2464-6
Test Code (Outreach Synonym)
6650
Catalog Code
685976
Collection
Collect
CSF, CSF Tube
Preferred Draw Volume
1 mL
Unacceptable Conditions
Grossly bloody or hemolyzed specimens.
Storage/Transport Temperature
Refrigerated CSF
Stability (from collection to initiation)
Room Temperature: 8 hours: Refrigerated: 8 days; Frozen 1 year (if frozen within 24 hours)
Ordering
Ordering Recommendations
The cerebrospinal fluid immunoglobulin G is used in evaluations for suspected diseases of the central nervous system. It is used, along with CSF albumin, serum IgG and serum albumin, to calculate the CSF IgG index.
