NPI Atlas

H73.21 – Unspecified myringitis, right ear

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

Billable code

ICD-10-CM code H73.21

Code: H73.21 (claims format: H7321)
Description: Unspecified myringitis, right ear
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: H73 › H73.2

Related codes in H73.2

H73.20 – Unspecified myringitis, unspecified earBillable
H73.22 – Unspecified myringitis, left earBillable
H73.23 – Unspecified myringitis, bilateralBillable

Frequently asked questions

What is ICD-10 code H73.21?

H73.21 is the ICD-10-CM code for unspecified myringitis, right ear, in the block H65-H75 (Diseases of middle ear and mastoid).

Is H73.21 a billable code?

Yes. H73.21 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H73.21 belong to?

It belongs to category H73 – Other disorders of tympanic membrane.

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.