ICD-10-CM · Chapter 8 · H60–H95
H70.009
Acute mastoiditis without complications, unspecified ear
Diseases of the ear and mastoid process
Quick facts
- Code
- H70.009
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 8 — Diseases of the ear and mastoid process
- Category
- H70 — Mastoiditis and related conditions
- Specificity
- 6 characters
How coders use this code
ICD-10-CM H70.009 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of acute mastoiditis without complications, unspecified ear. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
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
- H70.01Subperiosteal 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
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