Mary Jo Bowie MS, BS, AAS, RHIA, RHIT

Diseases of the Ear and Mastoid Process CHAPTER 13 Diseases of the Ear and Mastoid Process

Diseases of the Ear and Mastoid Process—Code Range H60-H95 Diseases of the Ear and Mastoid Process are reported from Chapter 8 of ICD-10-CM. This chapter contains codes for disorders of the ear and mastoid process. Coders should reference the EXCLUDES 2: note at the start of the chapter.

Structures of the Ear External ear—The visible part of the ear Pinna—Flexible cartilaginous flap External auditory canal—Also known as the external auditory meatus Cerumen—Ear wax Tympanic membrane—Eardrum Middle ear—Also known as the tympanic cavity

Additional Structures Malleus—Ear bone shaped like a hammer Incus—Ear bone shaped like an anvil Stapes—Ear bone shaped like a stirrup Eustachian tube—Connects the middle ear to the pharynx Oval window—Separates middle ear from the inner ear

Additional Structures Vestible—Central portion of the inner ear Semicircular canals—Three bony structures filled with fluid Cochlea—A snail-shaped bony structure Organ of Corti—The true organ of hearing

External, Middle, and Inner Ear © Cengage Learning 2014

Structures of the Ear © Cengage Learning 2014

Diseases of External Ear—H60-H62 Diseases reported here include: Otitis externa Chondritis and perichondritis of external ear Impacted Cerumen Acquired stenosis of external ear canal

Diseases of Middle Ear and Mastoid —H65-H75 This block of codes reports: Otitis media Eustachian salpingitis and obstruction Mastoiditis Cholesteratoma of middle ear Perforation and other tympanic membrane disorders

Diseases of Inner Ear—H80-H83 Disorders reported here include: Otosclerosis Disorders of vestibular function Labyrinthitis Noise effects on inner ear

Structures of Inner Ear © Cengage Learning 2014

Other Disorders of the Ear—H90-H94 The following disorders are reported here: Conductive and sensorineural hearing loss Other and unspecified hearing loss Otalgia and effusion of ear Degenerative and vascular disorders of ear Tinnitus

Hearing Loss There are numerous causes of hearing loss. ICD-10-CM uses the following categories: H90—Conductive and sensorineural hearing loss H91—Other and unspecified hearing loss: includes ototoxic, sudden idiopathic, and other specified hearing loss. Medical documentation needs to be referenced prior to code assignment.

Category Code H95 Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified are reported with this category. This category should only be used following an operation or procedure.

Points to Remember The ear is divided into three regions: external, middle, and inner ear. Coders need to review the medical documentation to determine the section of the ear impacted by the disease process.

Official Guidelines for Coding and Reporting There are no guidelines for this chapter of ICD-10-CM.

Coding Practice Select the correct code for: hemorrhagic otitis externa of the left ear

Coding Practice Solution Main term to reference in index: Otitis Modifying term: Externa, then hemorrhagic, see Otitis, externa, infective, hemorrhagic Code Assignment: H60.322