Specifically for this code:
- hiatus hernia (esophageal) (sliding)
- paraesophageal hernia
From Section K40-K46:
- acquired hernia
- congenital [except diaphragmatic or hiatus] hernia
- recurrent hernia
Specifically for this code:
- congenital diaphragmatic hernia (Q79.0)
- congenital hiatus hernia (Q40.1)