H70 Mastoiditis and related conditions

Non-billable header with 5 child codes.

Codes under H70

• H70.0 Acute mastoiditis
• H70.1 Chronic mastoiditis
• H70.2 Petrositis
• H70.8 Other mastoiditis and related conditions
• H70.9 Unspecified mastoiditis

Code annotations containing back-references to H70

Back-references to H70

• Type 2 Excludes: H74 Other disorders of middle ear mastoid ("mastoiditis (H70.-)")

Back-references to H70

• Type 2 Excludes: H74 Other disorders of middle ear mastoid ("mastoiditis (H70.-)")

Nearby codes

• H70 Mastoiditis and related conditions (this code)
• H70.0 Acute mastoiditis
• 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