Data Last Updated: Aug. 27, 2019 (Version 1.7)

Lymph Nodes Head and Neck Levels I-III

Notes

**Note 1:** Physician statement of Levels I-III lymph node involvement can be used to code this data item when no other information is available. **Note 2:** Head and Neck Lymph Node Involvement is coded in the following data items * LN Head and Neck Levels I-III (NAACCR Data Item #3876) * LN Head and Neck Levels IV-V (NAACCR Data Item #3877) * LN Head and Neck Levels VI-VII (NAACCR Data Item #3878) * LN Head and Neck Other (NAACCR Data Item #3879) **Note 3:** Code the presence or absence of lymph node involvement for Levels I-III. * For more information on Levels I-III lymph nodes, see AJCC 8th edition, Chapter 5: *Staging Head and Neck Cancers*, Table 5.1 **Note 4:** Pathological information takes priority over clinical. **Note 5:** If involved regional node levels are documented as a range, or if the involved nodes overlap multiple levels, code all levels specified. **Note 6:** If information is available on some nodes, but the others are unknown, code what is known. * ***Example:*** Multiple lymph nodes involved, level II documented, but the other levels not mentioned. Code 2 to indicate level II involvement.
Code Description
0 No involvement in Levels I, II, or III lymph nodes
1 Level I lymph node(s) involved
2 Level II lymph node(s) involved
3 Level III lymph node(s) involved
4 Levels I and II lymph nodes involved
5 Levels I and III lymph nodes involved
6 Levels II and III lymph nodes involved
7 Levels I, II and III lymph nodes involved
8 Not applicable: Information not collected for this case
(If this item is required by your standard setter, use of code 8 will result in an edit error)
9 Not documented in patient record
Positive nodes, but level of positive node(s) unknown
Lymph node levels I-III not assessed, or unknown if assessed