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Recommendations when to order or not order the test. May include related or preferred tests.
Use to diagnose increased carbon monoxide (CO) levels and CO poisoning.
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Green (sodium or lithium heparin). Do not collect by finger stick or heel stick.
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Keep specimen anaerobic; do not remove cap from collection tube. Refrigerate within 30 minutes after collection. Transport 5 mL whole blood. (Min: 0.5 mL) Specimen should be received within 24 hours of collection.
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Specimens collected in EDTA tubes or not anaerobically. Specimens that have been opened or exposed to room air. Frozen or room temperature specimens. Specimens containing air bubbles or clots.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
1-4 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Effective February 21, 2011
0.0-2.0 percent
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
Individuals who smoke typically demonstrate higher Carboxyhemoglobin values than non-smokers.
Non-smokers
0-2.0 percent
1-2 packs per day
0-5.0 percent
3-4 packs per day
0-9.0 percent
Compliance Category
FDA
Note
Additional information related to the test.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Other names that describe the test. Synonyms.
Carbon monoxide
Co-ox
Co-oximetry
COHb concentration
COHb levels
COHb percent
COHb%
Carboxyhemoglobin Quantitation, Whole Blood by Co-Oximetry
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