| J01.0 | Acute maxillary sinusitis | NON-BILLABLE CODE |
| J01.00 | Acute maxillary sinusitis, unspecified | BILLABLE CODE |
| J01.01 | Acute recurrent maxillary sinusitis | BILLABLE CODE |
| J01.1 | Acute frontal sinusitis | NON-BILLABLE CODE |
| J01.10 | Acute frontal sinusitis, unspecified | BILLABLE CODE |
| J01.11 | Acute recurrent frontal sinusitis | BILLABLE CODE |
| J01.2 | Acute ethmoidal sinusitis | NON-BILLABLE CODE |
| J01.20 | Acute ethmoidal sinusitis, unspecified | BILLABLE CODE |
| J01.21 | Acute recurrent ethmoidal sinusitis | BILLABLE CODE |
| J01.3 | Acute sphenoidal sinusitis | NON-BILLABLE CODE |
| J01.30 | Acute sphenoidal sinusitis, unspecified | BILLABLE CODE |
| J01.31 | Acute recurrent sphenoidal sinusitis | BILLABLE CODE |
| J01.4 | Acute pansinusitis | NON-BILLABLE CODE |
| J01.40 | Acute pansinusitis, unspecified | BILLABLE CODE |
| J01.41 | Acute recurrent pansinusitis | BILLABLE CODE |
| J01.8 | Other acute sinusitis | NON-BILLABLE CODE |
| J01.80 | Other acute sinusitis | BILLABLE CODE |
| J01.81 | Other acute recurrent sinusitis | BILLABLE CODE |
| J01.9 | Acute sinusitis, unspecified | NON-BILLABLE CODE |
| J01.90 | Acute sinusitis, unspecified | BILLABLE CODE |
| J01.91 | Acute recurrent sinusitis, unspecified | BILLABLE CODE |
