H73.00 – Unspecified acute myringitis

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

Non-billable header

ICD-10-CM code H73.00

Code: H73.00 (claims format: H7300)
Description: Unspecified acute myringitis
Billable: No – use a more specific code below
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 › H73.0

Billable codes under H73.00

H73.00 is a header code and cannot be used on claims. Choose the most specific code:

H73.001 – Acute myringitis, right earBillable
H73.002 – Acute myringitis, left earBillable
H73.003 – Acute myringitis, bilateralBillable
H73.009 – Acute myringitis, unspecified earBillable

Notes for H73.00

Applicable to:

Acute tympanitis NOS

Notes inherited from parent codes

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

H73.0 – Acute myringitis

Excludes1 (not coded here):

acute myringitis with otitis media (H65, H66)

Index terms for H73.00

Entries in the ICD-10-CM alphabetic index that lead to this code:

Myringitis, acute

Related codes in H73.0

H73.01 – Bullous myringitisHeader
H73.09 – Other acute myringitisHeader

Frequently asked questions

What is ICD-10 code H73.00?

H73.00 is the ICD-10-CM code for unspecified acute myringitis, in the block H65-H75 (Diseases of middle ear and mastoid).

Is H73.00 a billable code?

No. H73.00 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H73.00 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.