ICD-10-CM H66: Suppurative and unspecified otitis media

ICD-10-CM Diagnosis Code (2025)

Official Description for H66

Suppurative and unspecified otitis media

Coding Notes & Guidelines for H66

Includes Notes

suppurative and unspecified otitis media with myringitis

Excludes1: Not Coded Here

tuberculous otitis media (A18.6)

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)
Use Additional Code

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

Use Additional Code

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

Use Additional Code

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

Use Additional Code

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

Use Additional Code

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

Inclusion Terms
  • Benign chronic suppurative otitis media
  • Chronic tubotympanic disease
Inclusion Terms

Chronic atticoantral disease

Inclusion Terms

Chronic suppurative otitis media NOS

Inclusion Terms

Purulent otitis media NOS

Inclusion Terms
  • Otitis media NOS
  • Acute otitis media NOS
  • Chronic otitis media NOS

Child Codes (More Specific Codes for H66):

H66.0 - Acute suppurative otitis media H66.00 - Acute suppurative otitis media without spontaneous rupture of ear drum H66.001 - Acute suppurative otitis media without spontaneous rupture of ear drum, right ear H66.002 - Acute suppurative otitis media without spontaneous rupture of ear drum, left ear H66.003 - Acute suppurative otitis media without spontaneous rupture of ear drum, bilateral H66.004 - Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, right ear H66.005 - Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, left ear H66.006 - Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, bilateral H66.007 - Acute suppurative otitis media without spontaneous rupture of ear drum, recurrent, unspecified ear H66.009 - Acute suppurative otitis media without spontaneous rupture of ear drum, unspecified ear H66.01 - Acute suppurative otitis media with spontaneous rupture of ear drum H66.011 - Acute suppurative otitis media with spontaneous rupture of ear drum, right ear H66.012 - Acute suppurative otitis media with spontaneous rupture of ear drum, left ear H66.013 - Acute suppurative otitis media with spontaneous rupture of ear drum, bilateral H66.014 - Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, right ear H66.015 - Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, left ear H66.016 - Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, bilateral H66.017 - Acute suppurative otitis media with spontaneous rupture of ear drum, recurrent, unspecified ear H66.019 - Acute suppurative otitis media with spontaneous rupture of ear drum, unspecified ear H66.1 - Chronic tubotympanic suppurative otitis media H66.10 - Chronic tubotympanic suppurative otitis media, unspecified H66.11 - Chronic tubotympanic suppurative otitis media, right ear H66.12 - Chronic tubotympanic suppurative otitis media, left ear H66.13 - Chronic tubotympanic suppurative otitis media, bilateral H66.2 - Chronic atticoantral suppurative otitis media H66.20 - Chronic atticoantral suppurative otitis media, unspecified ear H66.21 - Chronic atticoantral suppurative otitis media, right ear H66.22 - Chronic atticoantral suppurative otitis media, left ear H66.23 - Chronic atticoantral suppurative otitis media, bilateral H66.3 - Other chronic suppurative otitis media H66.3X - Other chronic suppurative otitis media H66.3X1 - Other chronic suppurative otitis media, right ear H66.3X2 - Other chronic suppurative otitis media, left ear H66.3X3 - Other chronic suppurative otitis media, bilateral H66.3X9 - Other chronic suppurative otitis media, unspecified ear H66.4 - Suppurative otitis media, unspecified H66.40 - Suppurative otitis media, unspecified, unspecified ear H66.41 - Suppurative otitis media, unspecified, right ear H66.42 - Suppurative otitis media, unspecified, left ear H66.43 - Suppurative otitis media, unspecified, bilateral H66.9 - Otitis media, unspecified H66.90 - Otitis media, unspecified, unspecified ear H66.91 - Otitis media, unspecified, right ear H66.92 - Otitis media, unspecified, left ear H66.93 - Otitis media, unspecified, bilateral

About ICD-10-CM Code H66 (Suppurative and unspecified otitis media)

ICD-10-CM code H66 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM H66 became effective on October 1, 2024.

This page provides detailed information about H66 - Suppurative and unspecified otitis media. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Suppurative and unspecified otitis media.