Test Details

Mnemonic

MBPCS

Ordering Code

3701310

CPT-4 Code(s)

83873 RUO

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

Methodology

Radioimmunoassay
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Reference Range

< or = 4.0 mcg/L
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Performing Laboratory

Quest SJC
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