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

Methodology

Enzymatic
more

Reference Range

≤15 years: 0.5 - 2.8 mmol/L
16 years and older: 1.2 - 2.6 mmol/L
more

Performing Laboratory

ARUP Reference Laboratory
more

New York DOH Approval Status

Yes
more