β2-Microglobulin, Urine

TEST: 010173
Test number copied
CPT: 82232
Print Share

Synonyms

  • Beta-2 Microglobulin, Urine

Expected Turnaround Time

3 - 4 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Information

Related Documents

Specimen Requirements

Specimen

Urine (random)

Volume

10 mL

Minimum Volume

1 mL (Note: This volume does not allow for repeat testing.)

Container

Plastic urine container (do not acidify)

Collection

Patient should empty the bladder, then drink a large glass of water and collect a urine sample within one hour. Significant loss of β2-microglobulin activity may occur in acidic urine (pH ≤6). Urine should always be collected at high diuresis and the pH adjusted to between 6 and 8 with 1 mol/L sodium hydroxide.

Storage Instructions

Refrigerate

Stability Requirements

Temperature

Period

Room temperature

7 days

Refrigerated

7 days

Frozen

14 days

Freeze/thaw cycles

Stable x3

Test Details

Use

Evaluate renal disease; monitor certain types of malignancies and AIDS

Methodology

Immunochemiluminometric assay (ICMA)

Reference Interval

0−300 μg/L

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
010173 Beta-2 Microglobulin, Urine 1953-9 010173 Beta-2 Microglobulin, Urine ug/L 1953-9

For Providers

Please login to order a test

Order a Test

© 2021 Laboratory Corporation of America® Holdings and Lexi-Comp Inc. All Rights Reserved.

CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf