H81.21 – Vestibular neuronitis, right ear
ICD-10-CM 2027 diagnosis code · Diseases of inner ear
ICD-10-CM code
H81.21
- Code
H81.21(claims format:H8121)- Description
- Vestibular neuronitis, 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
- H80-H83 Diseases of inner ear
- Parent codes
- H81 › H81.2
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H81 – Disorders of vestibular function
Related codes in H81.2
Frequently asked questions
What is ICD-10 code H81.21?
H81.21 is the ICD-10-CM code for vestibular neuronitis, right ear, in the block H80-H83 (Diseases of inner ear).
Is H81.21 a billable code?
Yes. H81.21 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does H81.21 belong to?
It belongs to category H81 – Disorders of vestibular function.
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.