ICD-10 Code H02.846 – Edema of left eye, unspecified eyelid (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H02.846 – Edema of left eye, unspecified eyelid
What it is
Use this code for swelling of the left eyelid when the record does not identify a more specific cause or type. It indicates localized edema involving the left eye area, not the globe itself.
Clinical signs
Typical findings include visible eyelid puffiness, fullness, or mild tissue swelling on the left side. Clinical features vary; refer to documentation for associated redness, tenderness, or whether the swelling is acute or chronic.
When to use this code
Assign H02.846 when the provider documents edema of the left eyelid or left eye area without further specification. Use it for nonspecific swelling noted on exam, in follow-up, or as an isolated finding. If the cause is documented, code the underlying condition when instructed.
Do not use for
Do not use this code for edema of the eyeball, orbital swelling, or a clearly documented different eyelid disorder. Check documentation if the record describes infection, trauma, allergy, or another specific diagnosis.
Coding tip
Confirm laterality and that the swelling is truly eyelid edema before assigning H02.846.