When is ICD-10 code H66.009 used?

Doctors, hospitals, and insurers may use ICD-10 code H66.009 when recording acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear in a standardized format.

Does ICD-10 code H66.009 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code H66.009: Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear

Name: ICD-10 Code H66.009: Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:12:07.895Z

H66.009 is a billable ICD-10 diagnosis code used to classify Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the ear and mastoid process (H60-H95).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the ear and mastoid process (H60-H95).

When is it used?

May be used when a clinician documents acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter

8Diseases of the ear and mastoid process (H60-H95)

block

H65-H75Diseases of middle ear and mastoid

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

ENT Specialist

Sibling codes

H66.001Acute suppurative otitis media without spontaneous rupture of ear drum, right earbillable H66.002Acute suppurative otitis media without spontaneous rupture of ear drum, left earbillable H66.003Acute suppurative otitis media without spontaneous rupture of ear drum, bilateralbillable H66.004Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right earbillable H66.005Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left earbillable H66.006Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateralbillable H66.007Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified earbillable

Coding guidelines

Common synonyms

Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified earAcute suppurative otitis media without spontaneous rupture of ear drum

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.