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CARBOXYHAEMOGLOBIN, BLOOD

Synonym(s):

Lab Section Category

Description

Indications

Specimen Required

​3 mL blood in heparinised sealed syringe immersed in crushed ice.
Send without delay for immediate analysis.

Storage and Transport

Method

​Co-oximetry

Test Results

Reference Interval / Value

​From 0 day
Non-smokers: <1.5 % total Hb

Smokers (1-2 packs/day): 1.5 - 4.9 %

Heavy smokers (>2 packs/day): 5.0 - 9.0 %

Toxic: >20 %

Turnaround Time

​Mean = 4 hrs, Range: 3 – 5 hrs

Day(s) Test Set up

​Daily, 24-h STAT

Remarks

Change History Notes

Others

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