Z85.840
ICD-10-CMThis code indicates a patient's past medical history of a primary malignant tumor that originated in the eye. This means the patient has been diagnosed with and treated for eye cancer in the past, and it is no longer actively present or being treated as a current malignancy.
This code is appropriate for documenting a patient's history of eye cancer when they are no longer receiving active treatment for the malignancy. It is used for follow-up visits, routine screenings, or when the history impacts current medical decision-making for unrelated conditions.
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