Test directory: Beta-2-Microglobulin, Urine

Ordering Code3941
Test NameBeta-2-Microglobulin, Urine
AliasBeta-2 Microglobulin, Random Urine
B2 Microglobulin
B2M
B-2 Microglobulin
Preferred SpecimenUrine, Random
Preferred ContainerSterile Container
Optimum Volume5 mL
Collection InstructionsPatient should void bladder, then drink a large glass of water. A urine sample should be collected within 1 hour.
Handling InstructionsCentral AP: If pH is greater than 8, lower pH to 6-8 by adding 1M HCL. If pH less than 6, increase pH to 6-8 by adding 5% NaOH. Record pH on the transport tube and test request form
Guam: Adjust pH prior to frozen shipping, record pH on transport tube.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: 8 Hours
Refrigerated: 48 Hours
Frozen: 2 Months
Avail. StatNO
Analytic Time4 Days
MethodologyQuantitative Chemiluminescent Immunoassay
Reference Lab ARUP Laboratories

Reference range(s)

The reference ranges listed below are valid on this date of April 20, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Beta-2-Microglobulin, UrineALLSee report.
pH, UrineALLSee report.
Beta-2-Microglobulin, ratio to CRTALLSee report.
Creatinine, Urine - per volumeALLSee report.