H65.33 – Chronic mucoid otitis media, bilateral

ICD-10-CM 2027 diagnosis code · Diseases of middle ear and mastoid

Billable code

ICD-10-CM code H65.33

Code: H65.33 (claims format: H6533)
Description: Chronic mucoid otitis media, bilateral
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 8. Diseases of the ear and mastoid process (H60-H95)
Block: H65-H75 Diseases of middle ear and mastoid
Parent codes: H65 › H65.3

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H65 – Nonsuppurative otitis media

Includes:

nonsuppurative otitis media with myringitis

Use additional code:

code for any associated perforated tympanic membrane (H72.-)
code, if applicable, to identify:
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
infectious agent (B95-B97)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

H65.3 – Chronic mucoid otitis media

Applicable to:

Chronic mucinous otitis media
Chronic secretory otitis media
Chronic transudative otitis media
Glue ear

Excludes1 (not coded here):

adhesive middle ear disease (H74.1)

Related codes in H65.3

Frequently asked questions

What is ICD-10 code H65.33?

H65.33 is the ICD-10-CM code for chronic mucoid otitis media, bilateral, in the block H65-H75 (Diseases of middle ear and mastoid).

Is H65.33 a billable code?

Yes. H65.33 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H65.33 belong to?

It belongs to category H65 – Nonsuppurative otitis media.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.