H93.21Header code — not billable
Auditory recruitment
- Chapter
- 8. Diseases of the ear and mastoid process
- Category
- H93
- Effective date
- October 1, 2026
Related codes in category H93
H93Other disorders of ear, not elsewhere classifiedH93.0Degenerative and vascular disorders of earH93.01Transient ischemic deafnessH93.011Transient ischemic deafness, right earYesH93.012Transient ischemic deafness, left earYesH93.013Transient ischemic deafness, bilateralYesH93.019Transient ischemic deafness, unspecified earYesH93.09Unspecified degenerative and vascular disorders of earH93.091Unspecified degenerative and vascular disorders of right earYesH93.092Unspecified degenerative and vascular disorders of left earYesH93.093Unsp degenerative and vascular disorders of ear, bilateralYesH93.099Unsp degenerative and vascular disorders of unspecified earYes
Frequently asked questions
What is ICD-10 code H93.21?
H93.21 is an ICD-10-CM diagnosis code for Auditory recruitment.
Is H93.21 a billable code?
No. H93.21 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is H93.21 in?
H93.21 falls under Chapter 8: Diseases of the ear and mastoid process.
When did H93.21 become effective?
H93.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H93.21?
H93.21 belongs to category H93, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.