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ICD-10-CM-2023 Diagnosis Codes Overview
ICD-10-CM-2023 > H60-H95 > H65-H75 > H70
H65-H75
Diseases of middle ear and mastoid
H70

Mastoiditis and related conditions

H70.0

Acute mastoiditis

Info:
Abscess of mastoid
Empyema of mastoid
H70.00
Acute mastoiditis without complications
H70.001
Acute mastoiditis without complications, right ear
H70.002
Acute mastoiditis without complications, left ear
H70.003
Acute mastoiditis without complications, bilateral
H70.009
Acute mastoiditis without complications, unspecified ear
H70.01
Subperiosteal abscess of mastoid
H70.011
Subperiosteal abscess of mastoid, right ear
H70.012
Subperiosteal abscess of mastoid, left ear
H70.013
Subperiosteal abscess of mastoid, bilateral
H70.019
Subperiosteal abscess of mastoid, unspecified ear
H70.09
Acute mastoiditis with other complications
H70.091
Acute mastoiditis with other complications, right ear
H70.092
Acute mastoiditis with other complications, left ear
H70.093
Acute mastoiditis with other complications, bilateral
H70.099
Acute mastoiditis with other complications, unspecified ear
H70.1

Chronic mastoiditis

Info:
Caries of mastoid
Fistula of mastoid
Excl1.:
tuberculous mastoiditis (A18.03)
H70.10
Chronic mastoiditis, unspecified ear
H70.11
Chronic mastoiditis, right ear
H70.12
Chronic mastoiditis, left ear
H70.13
Chronic mastoiditis, bilateral
H70.2

Petrositis

Info:
Inflammation of petrous bone
H70.20
Unspecified petrositis
H70.201
Unspecified petrositis, right ear
H70.202
Unspecified petrositis, left ear
H70.203
Unspecified petrositis, bilateral
H70.209
Unspecified petrositis, unspecified ear
H70.21
Acute petrositis
H70.211
Acute petrositis, right ear
H70.212
Acute petrositis, left ear
H70.213
Acute petrositis, bilateral
H70.219
Acute petrositis, unspecified ear
H70.22
Chronic petrositis
H70.221
Chronic petrositis, right ear
H70.222
Chronic petrositis, left ear
H70.223
Chronic petrositis, bilateral
H70.229
Chronic petrositis, unspecified ear
H70.8

Other mastoiditis and related conditions

Excl1.:
preauricular sinus and cyst (Q18.1)
sinus, fistula, and cyst of branchial cleft (Q18.0)
H70.81
Postauricular fistula
H70.811
Postauricular fistula, right ear
H70.812
Postauricular fistula, left ear
H70.813
Postauricular fistula, bilateral
H70.819
Postauricular fistula, unspecified ear
H70.89
Other mastoiditis and related conditions
H70.891
Other mastoiditis and related conditions, right ear
H70.892
Other mastoiditis and related conditions, left ear
H70.893
Other mastoiditis and related conditions, bilateral
H70.899
Other mastoiditis and related conditions, unspecified ear
H70.9

Unspecified mastoiditis

H70.90
Unspecified mastoiditis, unspecified ear
H70.91
Unspecified mastoiditis, right ear
H70.92
Unspecified mastoiditis, left ear
H70.93
Unspecified mastoiditis, bilateral

 

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