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Beta-2-Microglobulin, Random Urine

Test ID: B2MG U

Test

Specimen

Performance / Interpretation

Interface / Setup

Method

Immunoturbidimetry

Report Includes

Creatinine; β-2-Microglobulin; β-2-Microglobulin/Creatinine Ratio

Specimens

Urine (Random)

Test Location

Sunnybrook Health Sciences, 2075 Bayview Avenue, Toronto ON M4N 3M5

Test Version

5-May-2023

Specimens

Urine (Random)

Sample Volume

5 mL

Collection & Handling

Collection Instructions

Collect 2nd morning urine sample: Patient should void and discard first morning urine.Then drink a glass of water and collect another urine sample within 1 hour.

Handling Information

Check pH and adjust pH to 6 – 8 with 1.0M NaOH immediately. Freeze an aliquot at -20°C. Store and send frozen.

Stability

Refrigerated	Unacceptable
Frozen	1 month

Additional Stability Information

If the specimen thaws, it is unsuitable for analysis. Unstable at pH below 5.5

Rejection Criteria

Specimen	Not frozen or pH below 5

Test Version

5-May-2023

Method

Immunoturbidimetry

Turnaround Time

10 days

Results

Name	Units	Reference Range
Creatinine	mmol/L	0 y, M and F: 0.4 - 5.2 1 m, M and F: 0.3 - 9.0 2 y, M and F: 1.1 - 12.8 5 y, M and F: 1.2 - 25.3 ≥17 y, M: 2.4 - 32.3 ≥17 y, F: 1.1 - 21.8
Creatinine
β-2-Microglobulin	µg/L	Adult Male: 0 - 212 Adult Female: 0 - 212
β-2-Microglobulin	The reported reference interval is for adults only and has not been verified in those <17 years of age. Interpret results with caution.
β-2-Microglobulin/Creatinine Ratio	µg/mmol cr.	Male and Female: 0 - 29
β-2-Microglobulin/Creatinine Ratio	The reported reference interval is for adults only and has not been verified in those <17 years of age. Interpret results with caution.

Test Location

Sunnybrook Health Sciences, 2075 Bayview Avenue, Toronto ON M4N 3M5

Test Version

5-May-2023

HL7 Interface Codes

Order Code	Result Codes	Units
B2MG U	20079CREATININE, R. URINE	mmol/L
20093BETA 2 MICROGLOBULIN, R. UR	ug/L
20094RATIO	ug/mmol Creat

Test Version

5-May-2023