Test Details
Mnemonic
LACSF
Ordering Code
3401076
CPT-4 Code(s)
83605
Specimen Information
Collect
Cerebrospinal fluid (CSF)
Specimen Preparation
Send 1.0 mL CSF in a sterile screw capped plastic vial. If specimen is not clear or contains blood, centrifuge and separate supernatant fluid.
Minimum Volume
0.5 mL
Transport Temperature
Frozen
Rejection Criteria
Hemolyzed specimen
Stability
Room temperature: 3 hours
Refrigerated: 24 hours
Frozen: 90 days
Refrigerated: 24 hours
Frozen: 90 days
Methodology
Spectrophotometry
Reference Range
Neonate 10-60 mg/dL
3-10 Days 10-40 mg/dL
11 Days-15 Years 10-25 mg/dL
≥18 years 10-22 mg/dL
3-10 Days 10-40 mg/dL
11 Days-15 Years 10-25 mg/dL
≥18 years 10-22 mg/dL
Performing Laboratory
Quest
New York DOH Approval Status
Yes