H70

Non-Billable

Mastoiditis and related conditions

H70 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

H70.0Acute mastoiditis
- H70.00Acute mastoiditis without complications
  - H70.001Acute mastoiditis without complications, right ear
  - H70.002Acute mastoiditis without complications, left ear
  - H70.003Acute mastoiditis without complications, bilateral
  - H70.009Acute mastoiditis without complications, unspecified ear
- H70.01Subperiosteal abscess of mastoid
  - H70.011Subperiosteal abscess of mastoid, right ear
  - H70.012Subperiosteal abscess of mastoid, left ear
  - H70.013Subperiosteal abscess of mastoid, bilateral
  - H70.019Subperiosteal abscess of mastoid, unspecified ear
- H70.09Acute mastoiditis with other complications
  - H70.091Acute mastoiditis with other complications, right ear
  - H70.092Acute mastoiditis with other complications, left ear
  - H70.093Acute mastoiditis with other complications, bilateral
  - H70.099Acute mastoiditis with other complications, unspecified ear
H70.1Chronic mastoiditis
- H70.10Chronic mastoiditis, unspecified ear
- H70.11Chronic mastoiditis, right ear
- H70.12Chronic mastoiditis, left ear
- H70.13Chronic mastoiditis, bilateral
H70.2Petrositis
- H70.20Unspecified petrositis
  - H70.201Unspecified petrositis, right ear
  - H70.202Unspecified petrositis, left ear
  - H70.203Unspecified petrositis, bilateral
  - H70.209Unspecified petrositis, unspecified ear
- H70.21Acute petrositis
  - H70.211Acute petrositis, right ear
  - H70.212Acute petrositis, left ear
  - H70.213Acute petrositis, bilateral
  - H70.219Acute petrositis, unspecified ear
- H70.22Chronic petrositis
  - H70.221Chronic petrositis, right ear
  - H70.222Chronic petrositis, left ear
  - H70.223Chronic petrositis, bilateral
  - H70.229Chronic petrositis, unspecified ear
H70.8Other mastoiditis and related conditions
- H70.81Postauricular fistula
  - H70.811Postauricular fistula, right ear
  - H70.812Postauricular fistula, left ear
  - H70.813Postauricular fistula, bilateral
  - H70.819Postauricular fistula, unspecified ear
- H70.89Other mastoiditis and related conditions
  - H70.891Other mastoiditis and related conditions, right ear
  - H70.892Other mastoiditis and related conditions, left ear
  - H70.893Other mastoiditis and related conditions, bilateral
  - H70.899Other mastoiditis and related conditions, unspecified ear
H70.9Unspecified mastoiditis
- H70.90Unspecified mastoiditis, unspecified ear
- H70.91Unspecified mastoiditis, right ear
- H70.92Unspecified mastoiditis, left ear
- H70.93Unspecified mastoiditis, bilateral

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