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BETA-2 MICROGLOBULIN, URINE

Mnemonic

U B2M

Specimen Collection Requirements

Patient Preparation

Have the patient void the urinary bladder, then drink a large glass of water and collect a urine specimen within 1 hour

Collect

Random Urine

Handling

Transfer one 3 mL aliquot from a well-mixed random collection to a transport tube or container. If pH is greater than 8, lower pH to 6-8 by adding 1M HCL. If pH is less than 6, increase pH to 6-8 by adding 5% NaOH. Titrate with appropriate preservative until pH of 6-8 has been reached. Record the pH on the transport tube or container.

Preferred Volume

3.0 mL

Minimum Volume

1.0 mL

Transport

Frozen

Stability

Ambient: 8 hours; Refrigerated: 48 hours; Frozen: 2 months

Testing Information

Performed

7 days/week

Reported

1-2 days

Method

Chemiluminescent Immunoassay

Referral Lab

ARUP (80432)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

82232

Last Updated: Thursday, January 5, 2017 03:40:34 AM


Client Services: 503-413-1234