H66.20

Chronic atticoantral suppurative otitis media, unspecified ear

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from H66.2Chronic atticoantral suppurative otitis media

Use additional

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

Synonyms

Chronic atticoantral disease

Inherited from H66Suppurative and unspecified otitis media

Includes

suppurative and unspecified otitis media with myringitis

Use additional

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)

Inherited from chapter 8Diseases of the ear and mastoid process

Excludes 2

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)

Note

Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition

Official Guidelines for H66.20

FY 2026 ›

I.C.8Chapter-specific guidanceChapter 8: Diseases of the Ear and Mastoid Process (H60-H95)

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