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Test Code SFTP Protein, CSF LAB195

Test Method

Dye-Binding Colorimetric Method; Beckman DXC600

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours after
the specimen arrives at the testing site.

Expedite: Typically completed within 1 hour after the
specimen arrives at the testing site.

STAT: Typically completed within 45 minutes after the
specimen arrives at the testing site.

Useful For

To detect increased permeability of the blood-brain barrier to
plasma proteins

To detect increased intrathecal production of
immunoglobulins

Specimen Requirement

0.5 mL spinal fluid is required.

CPT Code Information

84157 Chemistry: Protein, Total other source

Reference Values

15-45 mg/dL

LOINC Code Information

2880-3 Protein [Mass/Volume] In Cerebral Spinal Fluid