V.6.3.2 Pathologic N

This field identifies the presence or absence of regional lymph node (N) involvement and describes the extent of regional node involvement known following the completion of surgical therapy.

Coding Instructions:

Refer to the most current AJCC Cancer Staging Manual for coding instructions.
Code the pathologic N as documented by the managing provider or first treating provider in the medical record.
If the managing provider has not recorded the pathologic N, registrars will code the pathologic N based on the best information available.
Use code 88 for pathologic T, N, and M as well as pathologic stage group when:

Site/histology combination is not defined in the AJCC Manual.
For in situ tumors that are not staged according to the AJCC Manual.

Codes:

Code	Description
Blank	Not recorded
pX	pNX
c0	cN0
p0	pN0
p0I-	pN0i-
p0I+	pN0i+
p0M-	pN0m-
p0M+	pN0m+
p1MI	pN1mi
p0A	pN0a
p0B	pN0b
p1	pN1
p1A	pN1a
p1B	pN1b
p1C	pN1c
p2	pN2
p2A	pN2a
p2B	pN2b
p2C	pN2c
p3	pN3
p3A	pN3a
p3B	pN3b
p3C	pN3c
p4	p4
88	Not applicable

<< Prev. Next >>