All ICD10 Codes

H66

Non-Billable
ChapterH60–H95
Rankcategory
Official Description

Suppurative and unspecified otitis media

Use a more specific code (0 billable, 6 non-billable)
H66.0Acute suppurative otitis mediahas subcodesH66.1Chronic tubotympanic suppurative otitis mediahas subcodesH66.2Chronic atticoantral suppurative otitis mediahas subcodesH66.3Other chronic suppurative otitis mediahas subcodesH66.4Suppurative otitis media, unspecifiedhas subcodesH66.9Otitis media, unspecifiedhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 8: Diseases of the Ear and Mastoid Process (H60-H95).

CH8 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

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)

Clinical Hierarchy

BillableHas subcodes
CH8Diseases of the ear and mastoid process (H60-H95)
H65-H75Diseases of middle ear and mastoid (H65-H75)
H66Suppurative and unspecified otitis mediaNot billable
H66.0Acute suppurative otitis mediaSubcodes
H66.1Chronic tubotympanic suppurative otitis mediaSubcodes
H66.2Chronic atticoantral suppurative otitis mediaSubcodes
H66.3Other chronic suppurative otitis mediaSubcodes
H66.4Suppurative otitis media, unspecifiedSubcodes
H66.9Otitis media, unspecifiedSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H66:

chapterCH8
Diseases of the ear and mastoid process (H60-H95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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