H66.92 – Otitis media, unspecified, left ear

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

Billable code

ICD-10-CM code H66.92
Code
H66.92 (claims format: H6692)
Description
Otitis media, unspecified, left ear
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
H66 › H66.9

Notes inherited from parent codes

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

H66 – Suppurative and unspecified otitis media

Includes:
  • suppurative and unspecified otitis media with myringitis
Use additional code:
  • code 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)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

H66.9 – Otitis media, unspecified

Applicable to:
  • Otitis media NOS
  • Acute otitis media NOS
  • Chronic otitis media NOS
Use additional code:
  • code for any associated perforated tympanic membrane (H72.-)

Related codes in H66.9

Frequently asked questions

What is ICD-10 code H66.92?

H66.92 is the ICD-10-CM code for otitis media, unspecified, left ear, in the block H65-H75 (Diseases of middle ear and mastoid).

Is H66.92 a billable code?

Yes. H66.92 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H66.92 belong to?

It belongs to category H66 – Suppurative and unspecified 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.