Organization

Field Name

ID

Required

KCR

LN Laterality

34078

yes 

SEER

Lymph Nodes Laterality

3881

yes 

Note Physician statement of lymph node laterality can be used to code this data item when no other information is available.

Code

Description

0

No regional lymph node involvement

1

Unilateral - all positive regional nodes with same laterality
OR only one regional node positive

2

Bilateral - positive bilateral regional lymph nodes

3

Laterality unknown - positive regional lymph nodes with unknown laterality

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
Lymph node laterality not assessed or unknown if assessed