381 Nonsuppurative otitis media and eustachian tube disorders 
381.0 Acute nonsuppurative otitis media 
381.00 Acute nonsuppurative otitis media, unspecified convert 381.00 to ICD-10-CM 381.01 Acute serous otitis media convert 381.01 to ICD-10-CM 381.02 Acute mucoid otitis media convert 381.02 to ICD-10-CM 381.03 Acute sanguinous otitis media convert 381.03 to ICD-10-CM 381.04 Acute allergic serous otitis media convert 381.04 to ICD-10-CM 381.05 Acute allergic mucoid otitis media convert 381.05 to ICD-10-CM
381.06 Acute allergic sanguinous otitis media convert 381.06 to ICD-10-CM 381.1 Chronic serous otitis media 381.10 Chronic serous otitis media, simple or unspecified convert 381.10 to ICD-10-CM 381.19 Other chronic serous otitis media convert 381.19 to ICD-10-CM 381.2 Chronic mucoid otitis media 381.20 Chronic mucoid otitis media, simple or unspecified convert 381.20 to ICD-10-CM 381.29 Other chronic mucoid otitis media convert 381.29 to ICD-10-CM 381.3 Other and unspecified chronic nonsuppurative otitis media convert 381.3 to ICD-10-CM 381.4 Nonsuppurative otitis media, not specified as acute or chronic convert 381.4 to ICD-10-CM 381.5 Eustachian salpingitis 381.50 Eustachian salpingitis, unspecified convert 381.50 to ICD-10-CM 381.51 Acute Eustachian salpingitis convert 381.51 to ICD-10-CM 381.52 Chronic Eustachian salpingitis convert 381.52 to ICD-10-CM 381.6 Obstruction of eustachian tube 381.60 Obstruction of Eustachian tube, unspecified convert 381.60 to ICD-10-CM 381.61 Osseous obstruction of Eustachian tube convert 381.61 to ICD-10-CM 381.62 Intrinsic cartilagenous obstruction of Eustachian tube convert 381.62 to ICD-10-CM 381.63 Extrinsic cartilagenous obstruction of Eustachian tube convert 381.63 to ICD-10-CM 381.7 Patulous Eustachian tube convert 381.7 to ICD-10-CM 381.8 Other disorders of eustachian tube 381.81 Dysfunction of Eustachian tube convert 381.81 to ICD-10-CM 381.89 Other disorders of Eustachian tube convert 381.89 to ICD-10-CM 381.9 Unspecified Eustachian tube disorder convert 381.9 to ICD-10-CM