Grade 3 Carbon Monoxide Diffusing Capacity Decreased, CTCAE

**Semantic type:** Finding

**Definition:** Asymptomatic decrease of >8 units drop; >5 units drop along with the presence of pulmonary symptoms (e.g., >Grade 2 hypoxia or >Grade 2 dyspnea); intervention indicated

**Synonyms:** - Grade 3 Carbon monoxide diffusing capacity decreased - Grade 3 Carbon monoxide diffusing capacity decreased