Days Set Up
Daily, 24 hours
Analytic Time

2 hours

MiChart Code
Carbon Monoxide, Blood
Soft Order Code
CO2

Test Updated:

Synonyms

Bicarbonate
CO2

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Colorimetric Enzymatic

Test Usage

Evaluation of acid-base balance

Reference Range

1-4 years: 18 - 28 mmol/L, 5-11 years: 20 - 28 mmol/L, 12-150 years: 22 - 34 mmol/L.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Offsite Collection Instructions

Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum

Billing Information

CPT Code
82374
Pro Fee Code
 
Insurance Auth Info
 
LOINC
2028-9

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.