
I511: Hypertension (HT)
High Blood Pressure

I512: Atherosclerosis (ASVD)
Arteriosclerotic Vascular Disease

I513: Esophagitis
Oesophagitis

I514: Acute Gastric Ulcer (AGU)
PUD; Stomach Ulcer; Peptic Ulcer; Peptic ulcer disease

I516: Crohn's Disease (CD)
Crohn Disease

I518: Pulmonary Fibrosis (PF)
Lung Fibrosis

I520: Hepatic Fibrosis (HF)