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Beta-2 Microglobulin, Urine

Order Code
010173
CPT
82232
Test Details
TAT

8 days

Methodology

Immunochemiluminometric assay (ICMA)

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

Measures B2-microglobulin in urine. Evaluates renal tubular function.

Specimen Type

Random Urine

Volume

10 mL

Specimen Container

Plastic urine container (do not acidify)

Patient Preparation

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

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.

Specimen Stability
Temperature Period
Room temperature 7 days
Refrigerated 7 days
Frozen 14 days
Freeze/thaw cycles Stable x3
Order Code
010173
CPT
82232
Test Details
TAT

8 days

Methodology

Immunochemiluminometric assay (ICMA)

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

Measures B2-microglobulin in urine. Evaluates renal tubular function.

Specimen Type

Random Urine

Volume

10 mL

Specimen Container

Plastic urine container (do not acidify)

Patient Preparation

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

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.

Specimen Stability
Temperature Period
Room temperature 7 days
Refrigerated 7 days
Frozen 14 days
Freeze/thaw cycles Stable x3