H05.821Billable
Myopathy of extraocular muscles, right orbit
- Chapter
- 7. Diseases of the eye and adnexa
- Category
- H05
- Effective date
- October 1, 2026
Related codes in category H05
H05Disorders of orbitH05.0Acute inflammation of orbitH05.00Unspecified acute inflammation of orbitYesH05.01Cellulitis of orbitH05.011Cellulitis of right orbitYesH05.012Cellulitis of left orbitYesH05.013Cellulitis of bilateral orbitsYesH05.019Cellulitis of unspecified orbitYesH05.02Osteomyelitis of orbitH05.021Osteomyelitis of right orbitYesH05.022Osteomyelitis of left orbitYesH05.023Osteomyelitis of bilateral orbitsYes
Frequently asked questions
What is ICD-10 code H05.821?
H05.821 is an ICD-10-CM diagnosis code for Myopathy of extraocular muscles, right orbit.
Is H05.821 a billable code?
Yes. H05.821 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is H05.821 in?
H05.821 falls under Chapter 7: Diseases of the eye and adnexa.
When did H05.821 become effective?
H05.821 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H05.821?
H05.821 belongs to category H05, 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.