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Laboratory Medicine

Test catalogue

B-Hydroxybutyrate

Test Name

B-Hydroxybutyrate

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 2 ml serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in gold top (SST) tube. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Send BHB to St Joes. The test is different from the ketones offered in SMH. Sperate as soon and possible and send refrigrated.

Rejection Criteria: Grossly hemolyzed, lipemic, Unlabeled or Not Sufficient Quantity Samples will be rejected. Avoid repeat freeze/Thaw cycles.

Stability: Stable refrigrated for 14 days 2-8°C and frozen at or below -20°C for more than 14 days.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

7 Days

Test Utilization

Reference Value

Pediatric(0-18 years): 0-0.29 mmol/L

Adults: 0-0.42 mmol/L

>2.0 mmol/L is suggestive of ketoacidosis

Test Code

BHB

Methodology

Enzymatic

Testing Location

Referred Out – ON, Canada (ROSJ03)

Other Information

Last Updated: June 06, 2019