Test Details
Mnemonic
FNCSF
Ordering Code
3300147
CPT-4 Code(s)
87449, plus 87449 if reflexed to titer, at additional cost
Specimen Information
Collect
Cerebrospinal fluid (CSF)
Specimen Preparation
Send 2.0 mL Cerebrospinal fluid (CSF) frozen in a sterile, screw capped plastic (polypropylene) container.
Minimum Volume
1.0 mL
Transport Temperature
Frozen
Rejection Criteria
Room temperature specimen, patients <6 months of age
Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
Limulus Amebocyte Lysate (LAL) pathway
Reference Range
Negative: <60 pg/mL
Indeterminate: 60 - 79 pg/mL
Positive: ≥80 pg/mL
Indeterminate: 60 - 79 pg/mL
Positive: ≥80 pg/mL
Performing Laboratory
Viracor Eurofins