H66.3X3
Other chronic suppurative otitis media, bilateral
H66.3X3 (also written H663X3) is a billable ICD-10-CM diagnosis code for other chronic suppurative otitis media, bilateral. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 36 codes in category H66 (Suppurative and unspecified otitis media). Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 8 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
- code for any associated perforated tympanic membrane (H72.-)
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- 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)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Includes
Further defines or gives examples of the content of the category.
- suppurative and unspecified otitis media with myringitis
Notes
Also from chapter/block level (1 note)
- Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition