EOD Primary Tumor

Notes

**Note 1:** In the United States and Canada, Kaposi sarcoma is usually an illness related to Acquired Immunodeficiency Syndrome (AIDS) which affects primarily the skin; however, lesions may also form in the connective tissue, mucosa (e.g. oral cavity) or visceral organs (e.g. lungs). For connective tissue tumors (C49._), use extension codes for skin. **Note 2:** Choice of EOD Primary Tumor for Kaposi sarcoma depends on number and location of lesions. For example, code 100 (Localized) for a single or multiple lesions involving skin. Code 200 (Regional) for any number of lesions involving both skin and viscera.
Code Description SS2018 T
100 Single lesion - Mucosa (e.g., oral cavity, anus, rectum, vagina, vulva) - Skin and/or connective tissue - Viscera (e.g., pulmonary, gastrointestinal tract, spleen, other) L
200 Multiple lesions - Mucosa (e.g., oral cavity, anus, rectum, vagina, vulva) - Skin and/or connective tissue - Viscera (e.g., pulmonary, gastrointestinal tract, spleen, other) L
300 Multiple lesions - Mucosa plus skin and/or connective tissue - Viscera plus mucosa - Viscera plus skin and/or connective tissue RE
600 Multiple lesions, visceral plus mucosa plus skin and/or connective tissue D
700 Multiple lesions, NOS U
800 No evidence of primary tumor U
999 Unknown; extension not stated Multiple lesions, NOS Primary tumor cannot be assessed Not documented in patient record Death Certificate Only U
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