XS9FLeafLevel 5
NYHA Class IV - Unable to carry on any physical activity without discomfort
**Definition:** Unable to carry on any physical activity without discomfort. Symptoms of heart failure at rest. If any physical activity is undertaken, discomfort increases.
GET
/api/v1/systems/icd_11/nodes/XS9FCross-system equivalences0
No cross-system equivalences mapped for this node.