H66.4

Non-billable

Suppurative otitis media, unspecified

H66.4 is the ICD-10-CM code for Suppurative otitis media, unspecified. It is a non-billable category code — use a more specific child code such as H66.40 for billing.

Status
Header (non-billable)
Chapter
H60-H95
Parent
H66
Subcodes
4
Edition
FY2026

H60-H95 Diseases of the ear and mastoid process

Includes

  • Purulent otitis media NOS

Use additional code

  • code for any associated perforated tympanic membrane (H72.-)

Frequently asked questions

What is ICD-10 code H66.4?
H66.4 is the ICD-10-CM code for "Suppurative otitis media, unspecified". It falls under H60-H95 Diseases of the ear and mastoid process.
Is H66.4 a billable code?
No — H66.4 is a non-billable header code. Use a more specific child code (such as H66.40) for billing.
What are the subcodes of H66.4?
H66.4 has 4 more specific child codes, including H66.40, H66.41, H66.42.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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