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Test and Tubes Database
ID:309 Bicarbonate
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DescriptionPart of extended U&E
IndicationAssessment of acid base status.
Additional InfoPlease note: this test should not be added on to any specimen (decapped samples may lose up to 6 mmol/L in 1 hour)
Concurrent Testsna
Dietary Requirementsna
InterpretationDecreased in metabolic acidosis (e.g. DKA) and respiratory alkalosis (overbreathing). Raised in compensated respiratory acidosis and metabolic alkalosis.

DepartmentBiochemistry
SampleBlood
TubeSerum or Heparin
Tube Picture
Collection ConditionsUse Gold top (serum gel) tube except for Intensive care units, renal unit, transplant unit, patients on IV heparin (use Green/Yellow top tube for these patients).
Min. Vol1 mL
Freq.Daily

Ref. Range (Male)22 - 29 (> 16 yrs)
Ref. Range (Female)22 - 29 (> 16 yrs)
Ref. Range (Paed) 19 - 28 (0 - 16 yrs)
Ref. Range Notes
Unitsmmol/L
IP Acute TATRefer to Website
IP Routine TATRefer to Website
GP Acute TAT- Contact Laboratory
GP Routine TATRefer to Website
Turnround CommentNA

Originally edited by : . Review due on 04/11/2015 11:26:14. Published By Sylvia Bennett on 04/11/2014 11:26:14.