H01.00Header code — not billable
Unspecified blepharitis
- Chapter
- 7. Diseases of the eye and adnexa
- Category
- H01
- Effective date
- October 1, 2026
Related codes in category H01
H01Other inflammation of eyelidH01.0BlepharitisH01.001Unspecified blepharitis right upper eyelidYesH01.002Unspecified blepharitis right lower eyelidYesH01.003Unspecified blepharitis right eye, unspecified eyelidYesH01.004Unspecified blepharitis left upper eyelidYesH01.005Unspecified blepharitis left lower eyelidYesH01.006Unspecified blepharitis left eye, unspecified eyelidYesH01.009Unspecified blepharitis unspecified eye, unspecified eyelidYesH01.00AUnspecified blepharitis right eye, upper and lower eyelidsYesH01.00BUnspecified blepharitis left eye, upper and lower eyelidsYesH01.01Ulcerative blepharitis
Frequently asked questions
What is ICD-10 code H01.00?
H01.00 is an ICD-10-CM diagnosis code for Unspecified blepharitis.
Is H01.00 a billable code?
No. H01.00 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 H01.00 in?
H01.00 falls under Chapter 7: Diseases of the eye and adnexa.
When did H01.00 become effective?
H01.00 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H01.00?
H01.00 belongs to category H01, 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.