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H66.3X

⚠ Non-billable (Header)

Other chronic suppurative otitis media

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from H66.3

Rules from parent category H66.3: Other chronic suppurative otitis media

  • • tuberculous otitis media (A18.6)

📋 Code Instructions

from H66.3
  • • code for any associated perforated tympanic membrane (H72.-)

Child Codes (4)

H66.3X1Other chronic suppurative otitis media, right earH66.3X2Other chronic suppurative otitis media, left earH66.3X3Other chronic suppurative otitis media, bilateralH66.3X9Other chronic suppurative otitis media, unspecified ear

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Code Information

CodeH66.3X
BillableNo — Header code
ParentH66.3
CategoryDiseases of the ear and mastoid process (H60-H95)
Excludes11 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)