Test Details
Mnemonic
MBPCS
Ordering Code
3701310
CPT-4 Code(s)
83873
Specimen Information
Collect
Cerebrospinal fluid (CSF)
Specimen Preparation
Send 1.2 mL CSF refrigerated in a screw-capped plastic vial. Do not centrifuge CSF. Submitting 4th lumbar puncture collection tube minimizes blood contamination. Blood contamination and hemolysis may interfere with results. CSF MUST BE CLEAR.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Hemolysis, Xanthochromia/RBCs in CSF
Stability
Room temperature: 7 day
Refrigerated: 14 days
Frozen: 21 days
Refrigerated: 14 days
Frozen: 21 days
Methodology
Radioimmunoassay
Reference Range
< or = 4.0 mcg/L
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes