2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Other Diseases Of Upper Respiratory Tract 470-478 > Chronic Sinusitis 473.* > 2008 ICD-9-CM Diagnosis 473.1 Chronic frontal sinusitis  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 473.1 can be accessed here. 473.1 is a specific code that can be used to specify a diagnosis 473.1 contains 10 index entries View the ICD-9-CM Volume 1 473.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 473.1: Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9 frontal (sinus) (chronic) (see also Sinusitis, frontal) 473.1 Degeneration, degenerative nasal sinus (mucosa) (see also Sinusitis) 473.9 frontal 473.1 Disease, diseased - see also Syndrome frontal sinus (chronic) 473.1 acute 461.1 Empyema (chest) (diaphragmatic) (double) (encapsulated) (general) (interlobar) (lung) (medial) (necessitatis) (perforating chest wall) (pleura) (pneumococcal) (residual) (sacculated) (streptococcal) (supradiaphragmatic) 510.9 frontal (sinus) (chronic) (see also Sinusitis, frontal) 473.1 Fistula (sinus) 686.9 frontal sinus (see also Sinusitis, frontal) 473.1 Infection, infected, infective (opportunistic) 136.9 frontal sinus (chronic) (see also Sinusitis, frontal) 473.1 Inflammation, inflamed, inflammatory (with exudation) frontal (chronic) (sinus) (see also Sinusitis, frontal) 473.1 Perforation, perforative (nontraumatic) frontal sinus (see also Sinusitis, frontal) 473.1 Sinusitis (accessory) (nasal) (hyperplastic) (nonpurulent) (purulent) (chronic) 473.9 frontal 473.1 acute 461.1 Suppuration, suppurative - see also condition frontal (sinus) (chronic) (see also Sinusitis, frontal) 473.1