ICD-10 Code H01.005 – Unspecified blepharitis left lower eyelid (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H01.005 – Unspecified blepharitis left lower eyelid
What it is
This code identifies blepharitis affecting the left lower eyelid when the record does not specify the type. It indicates inflammation of the eyelid margin on that side.
Clinical signs
Typical findings include eyelid redness, crusting, irritation, itching, or a burning sensation along the lid margin. Clinical features vary; refer to documentation.
When to use this code
Use H01.005 when the provider documents blepharitis of the left lower eyelid but does not identify anterior, posterior, or another specific form. Use it for clearly documented left lower lid involvement, even if both eyes are discussed separately. If the note is vague, check documentation before coding.
Do not use for
Do not use this code for blepharitis of a different eyelid or eye, or when the record specifies a different blepharitis type. If the documentation does not support left lower eyelid involvement, check documentation.
Coding tip
Verify laterality and eyelid location in the assessment, not just the symptoms, before assigning H01.005.