Extranodal Extension Pathological (Merkel Cell Skin)

Organization	Field Name	ID#	ID Name	Required

Organization	Field Name	ID#	ID Name	Required
KCR	Extranodal Extension Path (non-Head and Neck	34032	ENExtNonHNPath	yes
SEER	Extranodal Extension Pathological	3833	extranodalExtensionPath	yes

Note 1 Physician Statement

Physician statement of Extranodal Extension (ENE) Pathological or physician pathological staging can be used to code this data item when there is no other information available.
Note that the rules for coding ENE for head and neck sites compared to non-head and neck sites are different.

Note 2 Criteria for Coding

Code the status of extranodal extension assessed on the surgical resection specimen for the most involved regional lymph node(s)
Do not code ENE for any distant lymph nodes.
Be aware that the rules for coding ENE for head and neck sites compared to non-head and neck sites are different.

Code	Description

Code	Description
0	Regional lymph node(s) involved, ENE not present/not identified from surgical resection
1	Regional lymph node(s) involved, ENE present/identified from surgical resection
7	No lymph node involvement identified from surgical resection (pN0)
8	Not applicable: Information not collected for this case (If this information is required by your standard setter, use of code 8 may result in an edit error)
9	Not documented in medical record No surgical resection of regional lymph node(s) Non-invasive neoplasm (behavior /2) Cannot be determined Pathological assessment of lymph node(s) not done, or unknown if done Extranodal Extension Pathological not assessed or unknown if assessed

KCR Abstractors Manual