H70.9 Unspecified mastoiditis

Non-billable header with 4 child codes.

Codes under H70.9

• H70.90 Unspecified mastoiditis, unspecified ear
• H70.91 Unspecified mastoiditis, right ear
• H70.92 Unspecified mastoiditis, left ear
• H70.93 Unspecified mastoiditis, bilateral

Code annotations containing back-references to H70.9

Back-references to H70

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

Diagnosis Index entries for H70.9

• Mastoiditis (coalescent) (hemorrhagic) (suppurative)

Nearby codes

• H70.89 Other mastoiditis and related conditions
• H70.891 Other mastoiditis and related conditions, right ear
• H70.892 Other mastoiditis and related conditions, left ear
• H70.893 Other mastoiditis and related conditions, bilateral
• H70.899 Other mastoiditis and related conditions, unspecified ear
• H70.9 Unspecified mastoiditis (this code)
• H70.90 Unspecified mastoiditis, unspecified ear
• H70.91 Unspecified mastoiditis, right ear
• H70.92 Unspecified mastoiditis, left ear
• H70.93 Unspecified mastoiditis, bilateral