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Test Directory

Beta 2 Microglobulin, CSF

Test Summary

Evaluation of central nervous system inflammation and B-cell proliferative diseases

Aliases

  • Mayo code B2MC

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL CSF

Minimum Volume

0.5 mL

Instructions

Send spinal fluid from collection vial 1

Patient Preparation

N/A

Storage

N/A

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 14 days
  • Refrigerated: 28 days
  • Frozen: 28 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Order Code

BETA2C

EPIC (Premier) Code

LAB3575

Includes

N/A

CPT Code

  • 86335

Billing Code

  • 670584

CPT Statement

Methodology

Nephelometry

FDA Status

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Mayo Clinic Laboratories -- Rochester Superior Drive
3050 Superior Drive NW
Rochester MN, 55901

Department

Reference Testing

Reference Range

N/A

Setup Schedule / Expected Turnaround Time

Monday - Friday; Report available 1- 3 days

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL CSF

Minimum Volume

0.5 mL

Instructions

Send spinal fluid from collection vial 1

Patient Preparation

N/A

Storage

N/A

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 14 days
  • Refrigerated: 28 days
  • Frozen: 28 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Billing

CPT Code

  • 86335

Billing Code

  • 670584

CPT Statement

Result Information

Methodology

Nephelometry

Testing Laboratory

N/A

Reference Range

N/A

Setup Schedule / Expected Turnaround Time

Monday - Friday; Report available 1- 3 days