H70.1 Chronic mastoiditis

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Type 1 Excludes

tuberculous mastoiditis (A18.03)

Applicable To

Caries of mastoid
Fistula of mastoid

Child Codes


Sibling Codes


Parent Sibling Codes


View in Tabular

Code Title
H60-H95 Diseases of the ear and mastoid process (H60-H95)
H65-H75 Diseases of middle ear and mastoid (H65-H75)
H70 Mastoiditis and related conditions
H70.1 Chronic mastoiditis
Type 1 Excludes
tuberculous mastoiditis (A18.03)

Applicable to
Caries of mastoid
Fistula of mastoid

H70.10 Chronic mastoiditis, unspecified ear
H70.11 Chronic mastoiditis, right ear
H70.12 Chronic mastoiditis, left ear
H70.13 Chronic mastoiditis, bilateral