H74.9 Unspecified disorder of middle ear and mastoid

Non-billable header with 4 child codes.

Applies from H74 Other disorders of middle ear mastoid

Excludes2 (not included here)

• mastoiditis (H70.-)

Codes under H74.9

• H74.90 Unspecified disorder of middle ear and mastoid, unspecified ear
• H74.91 Unspecified disorder of right middle ear and mastoid
• H74.92 Unspecified disorder of left middle ear and mastoid
• H74.93 Unspecified disorder of middle ear and mastoid, bilateral

Diagnosis Index entries for H74.9

• Disorder (of) › ear › middle

Nearby codes

• H74.8X Other specified disorders of middle ear and mastoid
• H74.8X1 Other specified disorders of right middle ear and mastoid
• H74.8X2 Other specified disorders of left middle ear and mastoid
• H74.8X3 Other specified disorders of middle ear and mastoid, bilateral
• H74.8X9 Other specified disorders of middle ear and mastoid, unspecified ear
• H74.9 Unspecified disorder of middle ear and mastoid (this code)
• H74.90 Unspecified disorder of middle ear and mastoid, unspecified ear
• H74.91 Unspecified disorder of right middle ear and mastoid
• H74.92 Unspecified disorder of left middle ear and mastoid
• H74.93 Unspecified disorder of middle ear and mastoid, bilateral