Carcinoma in situ of unspecified eye

📋Clinical Description

This code signifies the presence of a non-invasive, pre-malignant lesion originating from the epithelial cells of the eye. It indicates that abnormal cells are confined to the original site and have not spread to surrounding tissues. This represents the earliest stage of cancer development within the ocular structures.

🎯When to Use

Utilize this code when documentation specifies carcinoma in situ affecting any part of the eye, but the specific anatomical site (e.g., conjunctiva, cornea, retina) is not precisely identified. This is appropriate when a biopsy confirms in situ malignancy, and the physician's notes lack further anatomical detail.

💡Coding Tips

Only use this code when the specific site of the eye is truly unspecified in the medical record.
Prioritize more specific codes (e.g., D03.39 for melanoma in situ of other parts of eye) if the documentation allows.
Ensure the pathology report confirms "in situ" status; do not use for invasive carcinoma.

AI-generated reference — verify against official guidelines

Code Hierarchy

▲D09.2Carcinoma in situ of eye

D09.20(current)

Crosswalks

234.0ApproxICD-9 234.0ApproxICD-9

Same Category

D09Carcinoma in situ of other and unspecified sites D09.0Carcinoma in situ of bladder D09.1Carcinoma in situ of other and unspecified urinary organs D09.10Carcinoma in situ of unspecified urinary organ