EAC Closure Coding

Question:

Is a "blind sac EAC closure" included in codes 69603 and 69530? Or would the closure be billed separately?

Answer:

Thank you for your question.

CPT codes 69603 and 69530 do not include a "blind sac closure" of the external auditory canal (EAC).

• CPT code 69603 is for a tympanoplasty with mastoidectomy, which includes a meatoplasty (widening of the ear canal entrance) but not a blind sac closure

• CPT code 69530 is for a radical mastoidectomy, which also does not include a blind sac closure

A blind sac closure is a separate procedure involving the permanent closure of the external auditory canal, and it would need to be coded separately. This would be reported with the unlisted code 69399 since there is no specific code for this procedure. You can use CPT 69603 or 69530 as the comparison code.

*This response is based on the best information available as of 4/10/25.