ICD-10 Code H04.412 – Chronic dacryocystitis of left lacrimal passage (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H04.412 – Chronic dacryocystitis of left lacrimal passage
What it is
H04.412 identifies chronic inflammation and infection of the left lacrimal sac and duct system. Use it when documentation specifically states chronic dacryocystitis on the left side.
Clinical signs
Typical findings include persistent tearing, discharge, and tenderness or swelling near the inner corner of the left eye. Clinical features vary; refer to documentation.
When to use this code
Use this code when the provider documents chronic dacryocystitis affecting the left lacrimal passage. It also fits follow-up visits for a known chronic condition if the left side is still the active diagnosis. Check documentation if laterality is unclear.
Do not use for
Do not use it for acute dacryocystitis, nonspecific tearing, or lacrimal obstruction without documented chronic inflammation. If the record does not confirm the left side, check documentation.
Coding tip
Verify both chronicity and laterality in the note before assigning H04.412.