J01.21 Acute recurrent ethmoidal sinusitis

The following code(s) above J01.21 may contain annotation back-references that may be applicable to J01.21:

• Diseases of the respiratory system (J00-J99)
• Acute ethmoidal sinusitis (J01.2)

Diagnosis Index

Sinusitis J32.9
- Acute J01.90
-- Ethmoidal J01.20
--- Recurrent J01.21
- Ethmoidal J32.2
-- Acute J01.20
--- Recurrent J01.21