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About This Test

Department: Biochemistry


  • Serum/gel (red/yellow top)

Add-on requests are not possible for this test


Turnaround Time:

Within 24 hours


Assessment of acid-base balance

Bicarbonate rapidly equilibrates with carbon dioxide in the air, thus samples must remain sealed until analysis.

Reference ranges:

Age range Reference range (mmol/L)
< 16 years 20 - 28
> 16 years (adults) 24 - 32

Derived from Pathology Harmony 2011

Results outside the reference range do not necessarily indicate disease. Similarly, results within the reference range do not preclude abnormality. Please contact the Duty Biochemist for discussion of individual patient results

Other Comments:

For more information, please see the following: Bicarbonate - Lab Tests Online