ICD-10-CM · Billable Code
H01.004 — Unspecified blepharitis left upper eyelid
Chapter H00-H59: Diseases of the eye and adnexa
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H01.001Unspecified blepharitis right upper eyelidH01.002Unspecified blepharitis right lower eyelidH01.003Unspecified blepharitis right eye, unspecified eyelidH01.005Unspecified blepharitis left lower eyelidH01.006Unspecified blepharitis left eye, unspecified eyelidH01.009Unspecified blepharitis unspecified eye, unspecified eyelidH01.00AUnspecified blepharitis right eye, upper and lower eyelidsH01.00BUnspecified blepharitis left eye, upper and lower eyelids
Common questions about H01.004 (Unspecified blepharitis left upper eyelid)
What does ICD-10 code H01.004 mean?
H01.004 is the ICD-10-CM 2025 code for Unspecified blepharitis left upper eyelid. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is H01.004 a billable diagnosis code?
Yes, H01.004 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does H01.004 belong to?
H01.004 belongs to the chapter "Diseases of the eye and adnexa" (codes H00-H59). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Unspecified blepharitis left upper eyelid?
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Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗