Carbon Monoxide Exposure, Blood
Use
This test is intended to measure the level of carbon monoxide exposure in blood, which is crucial for diagnosing and managing carbon monoxide poisoning. Carbon monoxide binds strongly with hemoglobin to form carboxyhemoglobin, reducing the oxygen-carrying capacity of blood, which can lead to tissue hypoxia and potentially fatal outcomes. It is particularly important in suspected cases of carbon monoxide poisoning to determine the extent of exposure and decide on the appropriate treatment measures.
Special Instructions
Not provided.
Limitations
This test has limitations in cases where blood samples are not collected immediately after exposure, as the carboxyhemoglobin levels can decrease over time with exposure to normal air or oxygen therapy. Furthermore, other factors such as smoking status can affect baseline levels of carboxyhemoglobin. The test does not measure other potential toxic gases or their effects; it is limited to detecting carbon monoxide exposure through carboxyhemoglobin levels.
New York Approved
Methodology
Mass Spectrometry (GC-MS)
Biomarkers
Carboxyhemoglobin
Analyte
LOINC Codes
- 20563-3 - COHgb MFr Bld
- 20563-3 - COHgb MFr Bld
Result Turnaround Time
7-16 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
4 mL
Minimum Volume
1.7 mL
Container
Lavender top EDTA tube
Collection Instructions
Draw blood in a lavender top EDTA tube(s). Send 4 mL refrigerated.
Causes for Rejection
Frozen
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 28 days |
| Refrigerated | 28 days |