C69.80
BillableMalignant neoplasm of overlapping sites of unspecified eye and adnexa
HCC Category Mapping
V28HCC 23 — Melanoma and Other Skin Cancers
0.251V24HCC 12 — Breast, Prostate, and Other Cancers and Tumors
0.150ESRDHCC 12 — Breast, Prostate, and Other Cancers and Tumors
0.000RxHCCHCC 22 — Cancer, Other Specified Sites
0.000What This Code Means
Cancer involving multiple overlapping structures of the eye and surrounding tissues when the specific eye is not identified.
Coding Tips
- •Use when tumor involves more than one anatomical site of the eye/adnexa
- •Query provider for laterality if not clearly documented
Clinical Significance
Overlapping sites of eye and adnexa malignancy indicates a tumor that spans multiple anatomical structures of the eye and its surrounding tissues, typically reflecting locally advanced disease. These complex tumors require multidisciplinary surgical and oncologic management and may necessitate orbital exenteration for adequate treatment.
Documentation Requirements
- ✓Pathology confirming malignancy with involvement of multiple eye/adnexal structures
- ✓Laterality — query required for this unspecified code
- ✓Imaging documenting the extent of involvement across multiple structures
- ✓Documentation of which specific structures are involved
- ✓Staging reflecting the multi-site nature of the disease
Commonly Confused Codes
C69.81/C69.82 — Right/left overlapping sites: use laterality-specific codes when the affected eye is knownC69.60-C69.62 — Orbital malignancy: if confined to the orbit without involving the eye proper, use orbital codesC69.90-C69.92 — Unspecified eye: overlapping sites implies multiple known sites; unspecified means the site is unknown
Code Hierarchy
└C69Malignant neoplasm of eye and adnexa└C69.8Malignant neoplasm of overlapping sites of eye and adnexa└C69.80Malignant neoplasm of overlapping sites of unspecified eye and adnexa
└C69.80Malignant neoplasm of overlapping sites of unspecified eye and adnexa