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Carboxyhemoglobin (COHb)

Carboxyhemoglobin (COHb) is a topic covered in the Guide to Diagnostic Tests.

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Test/Range/Collection

Carboxyhemoglobin, whole blood (COHb, %)

<2% [non-smokers]

<9% [smokers]

Blood gas syringe or green

$$

Specimen should be collected before treatment with oxygen is started.

Do not remove stopper or cap. Refrigerate within 30 min after collection, if needed.

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Citation

McPhee, Stephen J., et al. "Carboxyhemoglobin (COHb)." Guide to Diagnostic Tests, 7th ed., McGraw-Hill Education, 2017. Emergency Central, emergency.unboundmedicine.com/emergency/view/GDT/619095/all/Carboxyhemoglobin__COHb_.
McPhee SJ, Lu CM, Nicoll D. Carboxyhemoglobin (COHb). Guide to Diagnostic Tests. 7th ed. McGraw-Hill Education; 2017. https://emergency.unboundmedicine.com/emergency/view/GDT/619095/all/Carboxyhemoglobin__COHb_. Accessed April 25, 2019.
McPhee, S. J., Lu, C. M., & Nicoll, D. (2017). Carboxyhemoglobin (COHb). In Guide to Diagnostic Tests. Available from https://emergency.unboundmedicine.com/emergency/view/GDT/619095/all/Carboxyhemoglobin__COHb_
McPhee SJ, Lu CM, Nicoll D. Carboxyhemoglobin (COHb) [Internet]. In: Guide to Diagnostic Tests. McGraw-Hill Education; 2017. [cited 2019 April 25]. Available from: https://emergency.unboundmedicine.com/emergency/view/GDT/619095/all/Carboxyhemoglobin__COHb_.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Carboxyhemoglobin (COHb) ID - 619095 A1 - McPhee,Stephen J, AU - Lu,Chuanyi Mark, AU - Nicoll,Diana, BT - Guide to Diagnostic Tests UR - https://emergency.unboundmedicine.com/emergency/view/GDT/619095/all/Carboxyhemoglobin__COHb_ PB - McGraw-Hill Education ET - 7 DB - Emergency Central DP - Unbound Medicine ER -