ICD-10 Code H20.052 – Hypopyon, left eye (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H20.052 – Hypopyon, left eye
What it is
H20.052 identifies hypopyon in the left eye, meaning a visible layering of white blood cells or pus in the anterior chamber. It reflects inflammation or infection affecting that eye.
Clinical signs
Typical findings include a white or yellow fluid level at the bottom of the anterior chamber, often with eye pain, redness, and blurred vision. Clinical features vary; refer to documentation.
When to use this code
Use this code when the provider documents hypopyon specifically in the left eye. It is appropriate when the record clearly identifies laterality and the condition is not described only as general anterior uveitis or eye inflammation.
If the note mentions hypopyon without laterality, check documentation before coding. Use the most specific diagnosis recorded, and do not assume left eye involvement from other findings.
Do not use for
Do not use H20.052 for hypopyon in the right eye, bilateral involvement, or unspecified eye. Do not use it when hypopyon is only suspected or not documented.
Coding tip
Verify laterality in the assessment or impression before assigning H20.052.