Grade 1 Carbon Monoxide Diffusing Capacity Decreased, CTCAE

**Semantic type:** Finding

**Definition:** 3 - 5 units below LLN if no baseline available; for follow-up, a decrease of 3 - 5 units (ml/min/mmHg) below the baseline value; asymptomatic and intervention not indicated

**Synonyms:** - Grade 1 Carbon monoxide diffusing capacity decreased - Grade 1 Carbon monoxide diffusing capacity decreased