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

Lymph Nodes Head and Neck Levels IV-V

Notes

**Note 1:** Physician statement of Levels IV-V 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 IV-V * For more information on Levels IV-V 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, and/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 V documented, but the other levels not mentioned. Code 2 to indicate level V involvement.
Code Description
0 No involvement in Levels IV or V lymph nodes
1 Level IV lymph node(s) involved
2 Level V lymph node(s) involved
3 Levels IV and V lymph node(s) 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 IV-V not assessed, or unknown if assessed