EOD Regional Nodes

Notes

**Note 1:** **Regional and distant lymph nodes** * All lymph nodes (regional and distant) involvement is coded in this field. **Note 2:** **Regional lymph nodes include** * Cervical * Parotid * Preauricular * Submandibular **Note 3:** **Lymph nodes, NOS** * Code 800 if regional lymph nodes are involved, but there is no indication which ones are involved.
Code Description SS2018 N
000 No regional lymph node involvement NONE
300 SINGLE lymph node region superior to the mediastinum RN
400 MULTIPLE lymph node regions superior to the mediastinum RN
500 Unknown number of lymph node region(s) OR regions draining the ocular adnexal structures and superior to the mediastinum RN
600 Mediastinal D
700 Diffuse OR disseminated involvement of peripheral and central lymph node regions D
750 Distant lymph node(s), NOS D
800 Regional lymph node(s), NOS Lymph node(s), NOS RN
999 Unknown; regional lymph node(s) not stated Regional lymph node(s) cannot be assessed Not documented in medical record Death Certificate Only U
(1) Fritz AG, Ries LAG (eds). **SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998)**, National Cancer Institute, NIH Pub. No. 98-2313, Bethesda, MD, 1998 (2) Young JL Jr, Roffers SD, Ries LAG, Fritz AG, Hurlbut AA (eds.). **SEER Summary Staging Manual-2000: Codes and Coding Instructions**, National Cancer Institute, NIH Pub. No. 01-4969, Bethesda, MD, 2001. (3) Collaborative Stage Work Group of the American Joint Committee on Cancer. **Collaborative Stage Data Collection System User Documentation and Coding Instructions, version 02.05**. American Joint Committee on Cancer (Chicago, IL) (4) Gress, D.M., Edge, S.B., Gershenwald, J.E., et al. **Principles of Cancer Staging**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017 (5) Heegaard, S., Finger, P.T., et al. **Ocular Adnexal Lymphoma**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017