Convert to ICD-10-CM:
461.9 converts approximately to:
- 2015/16 ICD-10-CM J01.90 Acute sinusitis, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to
461.9:
- Sinusitis (accessory) (nasal) (hyperplastic) (nonpurulent) (purulent) (chronic) 473.9

acute 461.9