ICD-10-CM · Chapter 8 · H60–H95
H70.09
Acute mastoiditis with other complications
Diseases of the ear and mastoid process
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- H70.09
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 8 — Diseases of the ear and mastoid process
- Category
- H70 — Mastoiditis and related conditions
- Specificity
- 5 characters
How coders use this code
ICD-10-CM H70.09 is a category (header) for acute mastoiditis with other complications. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in H70
- H70Mastoiditis and related conditions
- 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
- H70.091Acute mastoiditis with other complications, right ear
- H70.092Acute mastoiditis with other complications, left ear
- H70.093Acute mastoiditis with other complications, bilateral
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