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H70.8

Other mastoiditis and related conditions

Non-billableCategory

Code Hierarchy

H70H70.8

Chapter: 8. Diseases of the ear and mastoid process

Section: H65-H75 - Diseases of middle ear and mastoid

Coding Guidelines

Excludes1 (Mutually Exclusive)

These codes should never be used together with H70.8

  • Q18.1 - preauricular sinus and cyst (Q18.1)
  • Q18.0 - sinus, fistula, and cyst of branchial cleft (Q18.0)

Specific Codes (2)

H70.81Category

Postauricular fistula

H70.89Category

Other mastoiditis and related conditions

Related Codes

H70.0Category

Acute mastoiditis

H70.1Category

Chronic mastoiditis

H70.2Category

Petrositis

H70.9Category

Unspecified mastoiditis

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