ICD-10-CM
ICD-10 code for Lesion (s) (nontraumatic) maxillary sinus: J32.0
The ICD-10-CM index points "Lesion (s) (nontraumatic) maxillary sinus" to J32.0, Chronic maxillary sinusitis. J32.0 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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