Chapter Fourteen EAR AND MASTOID PROCESS Copyright 2015

Chapter Fourteen EAR AND MASTOID PROCESS Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc.

Word Parts ot/o, auricul/o = ear labyrinth/o = labyrinth, inner ear mastoid/o = mastoid process Ear Anatomy Outer ear/ external ear Middle ear Mastoid process Inner ear/ labyrinth The ear Be Careful! Do not confuse oral, meaning pertaining to the mouth, with aural, meaning pertaining to the ear. Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 2

Word Parts auricul/o = auricle cerumin/o = cerumen meat/o = meatus tympan/o, myring/o = tympanic membrane Outer/External Ear Pinna/auricle External auditory canal Cerumen External auditory meatus Tympanic membrane The ear Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 3

Word Parts External Ear Auricular cartilage auricul/o = ear peri- = surrounding, around chondr/o = cartilage helic/o = coil crur/o = leg Perichondrium Helix Antihelix Crura Tragus Antitragus Lobule Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 4

Middle ear Word Parts Tympanic membrane tympan/o = eardrum annul/o = annulus, ring Tympanic annulus Pars tensa Pars flaccida Umbo Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 5

Middle Ear Word Parts ossicul/o = ossicle staped/o = stapes salping/o = eustachian tube Ossicles/ossicular chain Malleus Incus Stapes Oval window Eustachian tube The ear Be Careful! Malleus refers to one of the ossicles in the ear, while a malleolus may be one of the processes on the distal tibia and fibula. Also, the combining form salping/o can be used to name both the fallopian tube and the eustachian tube. Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 6

Word Parts labyrinth/o = labyrinth peri- = around endo- = inside ot/o = ear Inner Ear/Labyrinth Membranous and bony labyrinth Perilymph and endolymph Bony labyrinth Vestibule Utricle ÷ Saccule ÷ Role of macula ÷ lith/o = stone vestibul/o = vestibule macul/o = macula Otolith Semicircular canals ÷ Crista ampullaris Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 7

Word Parts cochle/o = cochlea vestibul/o = vestibule Parts of the Bony Labyrinth Cochlea Organ of Corti Vestibulocochlear nerve/eighth cranial nerve Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 8

Review Question Which of the following combining forms names a structure in the middle ear? A. B. C. D. cochle/o meat/o staped/o mastoid/o Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 9

CM Guideline Alert B 13 Laterality For bilateral sites, the final character of the codes in the ICD-10 -CM indicates laterality. An unspecified side code is also provided should the side not be identified in the medical record. If no bilateral code is provided and the condition is bilateral, assign separate codes for both the left and right side. Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 10

Word Parts macro- = large ot/o = ear Congenital Disorders of the Ear (Q 00 -Q 99) Macrotia Microtia -ia = condition micro- = small, tiny ot/o = ear -ia = condition Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 11

Word Parts ot/o = ear extern/o = outer Diseases of the External Ear (H 60 -H 62) Otitis externa Auricular perichondritis -a = noun ending peri-= around, surrounding chondr/o = cartilage -itis = inflammation Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 12

Word Parts chol/e = bile steat/o = fat -oma = mass, tumor ex- = out Diseases of the External Ear (H 60 -H 62) Cholesteatoma, external ear Exostosis of external ear Stenosis of external ear canal, acquired oste/o = bone -osis = abnormal condition stenosis = abnormal condition of narrowing Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 13

Word Parts ankyl/o = stiff -osis = abnormal condition chol/e = bile steat/o = fat -oma = mass, tumor Diseases of Middle Ear and Mastoid (H 65 -H 75) Ankylosis of ear ossicles Cholesteatoma of attic Eustachian salpingitis Patulous eustachian tube salping/o = tube -itis = inflammation patul/o = open -ous = pertaining to Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 14

Word Parts mastoid/o = mastoid process Diseases of Middle Ear and Mastoid (H 65 -H 75) Mastoiditis Petrositis -itis = inflammation petros/o = petrous bone myring/o = eardrum ot/o = ear Myringitis Otitis media (OM) medi/o = middle -a = noun ending Otitis media Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 15

Word Parts tympan/o = eardrum -ic = pertaining to -sclerosis = abnormal condition of hardening Diseases of Middle Ear and Mastoid (H 65 -H 75) Perforation of tympanic membrane Tympanosclerosis Tympanic membrane perforation Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 16

Review Question A condition of abnormally large auricles is: A. B. C. D. macrotia microtia otosclerosis cholesteatoma Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 17

Word Parts aur/o = ear -al = pertaining to vert/o = turn Diseases of Inner Ear (H 80 -H 83) Aural vertigo Labyrinthitis Ménière’s disease -igo = condition labyrinth/o = inner ear, labyrinth -itis = inflammation Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 18

Word Parts ot/o = ear -sclerosis = abnormal condition of hardening Diseases of Inner Ear (H 80 -H 83) Otosclerosis Vestibular neuronitis vestibu/o = vestibule -ar = pertaining to neuron/o = nerve -itis = inflammation Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 19

Word Parts con- = with duct/o = carry -ive = pertaining to sensor/I = sense neur/o = nerve Other Disorders of the Ear (H 90 -H 94) Conductive hearing loss Sensorineural hearing loss Ototoxic hearing loss Transient ischemic deafness -al = pertaining to ot/o = ear tox/o = poison -ic = pertaining to isch/o = to hold back -emic = pertaining to blood condition Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 20

Word Parts ot/o = ear -algia = pain -rrhagia = bursting forth -rrhea = discharge, flow Other Disorders of the Ear (H 90 -H 94) Otalgia Otorrhagia Otorrhea Tinnitus Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 21

Word Parts dipl/o = double -acusis = hearing hyper- = above, excessive Other Disorders of the Ear (H 90 -H 94) Diplacusis Hyperacusis Presbycusis presby- = old age Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 22

Word Parts acous/o = hearing Benign Neoplasms of the Ear Acoustic neuroma Ceruminoma -tic = pertaining to neur/o = nerve -oma = tumor cerumin/o = cerumen Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 23

Review Question Which term is a loss of hearing common in old age? A. B. C. D. anacusis paracusis presbycusis Ménière’s disease Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 24

PCS Guideline Alert Bilateral Body Part Values B 4. 5 Bilateral body part values are available for a limited number of body parts. They are included in the system on the basis of frequency and common practice. If the identical procedure is performed on contralateral body parts, and a bilateral body part value exists for that body part, a single procedure is coded using the bilateral body part separately using the appropriate body part value. Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 25

Word Parts audi/o = hearing -metry = measuring Procedures of the Ear Audiometry Audiometer Audiogram -meter = instrument to measure -gram = record Audiograms Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 26

Word Parts cochle/o = cochlea Procedures of the Ear Cochlear implant Electrocochleography -ar = pertaining to electr/o = electricity -graphy = recording Cochlear implant Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 27

Word Parts ot/o = ear -scopy = viewing -scope = instrument to view Procedures of the Ear Otoscopy Otoscope Otoplasty Mastoidectomy -plasty = surgically forming Otoscopy mastoid/o = mastoid -ectomy = cutting out PCS Guideline Alert B 3. 11 a Inspection of a body part(s) performed in order to achieve the objective of a procedure is not coded separately. Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 28

Word Parts myring/o = eardrum -stomy = creating a new opening -tomy = cutting tympan/o = eardrum, tympanum -metry = measuring Procedures of the Ear Myringostomy Myringotomy Tympanometry Tympanogram Tympanoplasty Paracentesis of tympanum -gram = record Myringostomy Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 29

Word Parts stapedi/o = stapes -lysis = release, destruction Procedures of the Ear Stapediolysis Stapedoplasty Ossiculectomy -plasty = surgically forming ossicul/o = ossicle -ectomy = cutting out Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 30

Universal Newborn Hearing Screening (UNHS) Otoacoustic emissions (OAEs) Auditory brainstem response (ABR) Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 31

Pharmacology Antibiotics Ceruminolytics Decongestants Otics Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 32

Review Question Which of the following is a surgical or plastic repair of the external ear? A. B. C. D. otoplasty cochlear implant tympanoplasty stapedectomy Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 33

Suffixes and Root Operations for the Ear �-centesis �-ectomy �-lysis �-plasty �-scopy �-stomy �-tomy drainage excision, resection release repair, replacement, supplement inspection drainage Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 34

Sort these terms into their correct categories Terms 1. tympanometry 2. stapes 3. otalgia 4. cochlear implant Categories __ A+P __ Pathology __ Procedures Copyright © 2015 by Mosby, Inc. , an imprint of Elsevier Inc. 35