IgG Synthesis and Index

Centralized Core Laboratory:Chemistry

Test ID/Workstation: IGGSI QUEST

Specimen Type: Blood & CSF

Tube Type: Red top (no anticoagulant) tube and CSF tube

Collection Volume: 3.0 mL (minimum 1.5 mL) serum and 3.0 mL CSF (minimum 1.5 mL)

Cause for rejection: -

Storage: Refrigerated

Availability: Sent to reference lab

Methodology: Fixed Rate Time Nephelometry

Special Instructions: The collection date and time must be the same for both specimens. Both serum and CSF must be sent for calculation of synthesis rate by nephelometry. CSF must be crystalline clear.


Lab/Phone: 330-543-8418

TAT: 24 hours

Additional Info: Reference ranges are available on patient report

CPT Code: 82040

Synonyms: -

Requisition Form
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