Test Details
Mnemonic
CSFLA
Ordering Code
3504190
CPT-4 Code(s)
83605
Specimen Information
Collect
Cerebrospinal fluid (CSF)
Specimen Preparation
CSF should be placed on ice after collection. Centrifuge to remove cellular material and send 0.5 mL CSF supernatant in a screw capped plastic vial. Separate specimens must be submitted when multiple tests are ordered.
Minimum Volume
0.2 mL
Transport Temperature
Frozen
Stability
After separation from cellular material:
Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 30 days
Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 30 days
Methodology
Enzymatic
Reference Range
≤15 years: 0.5 - 2.8 mmol/L
16 years and older: 1.2 - 2.6 mmol/L
16 years and older: 1.2 - 2.6 mmol/L
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes