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Laboratory Medicine

Test catalogue

Biocarbonate

Test Name

Biocarbonate

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 1 ml serum

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

Specimen Handling

Collection Instructions: Serum or heparinized plasma collected with or without gel separator. Write your initials, date and time of collection on the collection label or requisition.

Special Instructions Serum or heparinized plasma free from hemolysis collected with or without gel separator. Separate serum or plasma from cells within 2 hours of collection

Rejection Criteria: Gross hemolysis, Unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: Stable at room temperature for 4 hours, refrigerated in closed tube for 1 week and frozen at -15°C to -20°C in closed tube for 1 month.

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

Required Documentation

Turnaround Time (TAT)

1 hour for Trauma / Stat - 2 hours for routine

Test Utilization

Reference Value

Adult 22 - 30 mmol/L

13 years – Adult 22 – 30 mmol/L

D15 – 13 years 20 – 28 mmol/L

D2 – D14 20 – 28 mmol/L

0 – D1 17 – 24 mmol/L

Test Code

CO2

Methodology

Spectrophotometric (Kinetic rate method)

Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019