H71.23 – Cholesteatoma of mastoid, bilateral

ICD-10-CM 2027 diagnosis code · Diseases of middle ear and mastoid

Billable code

ICD-10-CM code H71.23
Code
H71.23 (claims format: H7123)
Description
Cholesteatoma of mastoid, bilateral
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
8. Diseases of the ear and mastoid process (H60-H95)
Block
H65-H75 Diseases of middle ear and mastoid
Parent codes
H71 › H71.2

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H71 – Cholesteatoma of middle ear

Excludes2 (not included here):
  • cholesteatoma of external ear (H60.4-)
  • recurrent cholesteatoma of postmastoidectomy cavity (H95.0-)

Related codes in H71.2

Frequently asked questions

What is ICD-10 code H71.23?

H71.23 is the ICD-10-CM code for cholesteatoma of mastoid, bilateral, in the block H65-H75 (Diseases of middle ear and mastoid).

Is H71.23 a billable code?

Yes. H71.23 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H71.23 belong to?

It belongs to category H71 – Cholesteatoma of middle ear.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.