ICD-10 Code C69.22 – Malignant neoplasm of left retina (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C69.22 – Malignant neoplasm of left retina
What it is
This code identifies a malignant tumor arising in the retina of the left eye. Use it when documentation specifically states left retinal cancer or malignant neoplasm of the left retina.
Clinical signs
Clinical features vary; refer to documentation. Retinal malignancy may be noted on eye examination or imaging, with visual disturbance or an abnormal retinal finding prompting evaluation.
When to use this code
Use C69.22 when the provider documents a primary malignant neoplasm limited to the left retina. It is appropriate for confirmed retinal cancer, including follow-up encounters tied to that diagnosis. If the record only says “eye cancer” or “ocular tumor,” check documentation for the exact site.
Do not use for
Do not use this code for benign retinal lesions, metastatic disease to the retina, or tumors of another part of the eye. Check documentation if the laterality or retinal site is not clearly stated.
Coding tip
Verify both the malignant nature and left retinal location before assigning C69.22.