Carboxyhemoglobin to Total Hemoglobin Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of carboxyhemoglobin compared to total hemoglobin present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - Carboxyhemoglobin/Total Hemoglobin - Carboxyhemoglobin/Total Hemoglobin - HBCOHGB