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Organization	Field Name	ID	Required
KCR	Scope Regional LN (STORE) (FordsRegLNSurg)	50110	yes
NAACCR	RX Summ--Scope Reg LN Sur	1292	yes

Field Length: 1

Record the removal, biopsy, or aspiration of regional lymph node(s) at the time of surgery of the primary site or during a separate surgical event.

The scope of regional lymph node surgery is collected for each surgical event even if surgery of the primary site was not performed.
Record surgical procedures which aspirate, biopsy, or remove regional lymph nodes in an effort to diagnose or stage disease in this data item.
Codes 0-7 are hierarchical. If only one procedure can be recorded, code the procedure that is numerically higher.
For primaries of the meninges, brain, spinal cord, cranial nerves, and other parts of the central nervous system (C70.0-C70.9, C71.0-C71.9, C72.0-C72.9), code 9.
For lymphomas (M-9590-9596, 9650-9719, 9727-9729) with a lymph node primary site (C77.0-C77.9), code 9.
For an unknown or ill-defined primary (C76.0-C76.8, C80.9) or for hematopoietic, reticuloendothelial, immunoproliferative disease (C42.0, C42.1, C42.3, C42.4 or M-9750, 9760-9764, 9800-9820, 9826, 9831-9920, 9931-9964, 9980-9989), code 9.
Do not code distant lymph nodes removed during surgery to the primary site for this data item. Distant nodes are coded in the data field Surgical Procedure/Other Site.
Refer to the current AJCC Cancer Staging Manual for site-specific identification of regional lymph nodes.
If the operative report lists a lymph node dissection, but no nodes were found by the pathologist, code this field 0 (no lymph nodes removed).
If the patient has two primaries with common regional lymph nodes, code the removal of regional nodes for both primaries.
If a sentinel lymph node biopsy is attempted and fails to map this should be coded as 2 in the absence of an axillary lymph node dissection.
If sentinel lymph node biopsy is attempted and fails to map and the patient does have an axillary lymph node dissection, then the correct code would be 6.

Code	Label	Description
0	None	No regional lymph node surgery. No lymph nodes found in the pathologic specimen. Diagnosed at autopsy
1	Biopsy or aspiration of regional lymph node, NOS	Biopsy or aspiration of regional lymph node(s) regardless of the extent of involvement of disease.
2	Sentinel lymph node biospy	Biopsy of the first lymph node or nodes that drain a defined area of tissue within the body. Sentinel node(s) are identified by the injection of a dye or radio label at the site of the primary tumor.
3	Number of regional nodes removed unknown or not stated; regional lymph nodes removed, NOS	Sampling or dissection of regional lymph node(s) and the number of nodes removed is unknown or not states. The procedure is not specified as sentinel nodes node biopsy.
4	1-3 regional lymph nodes removed	Sampling or dissection of regional lymph node(s) with fewer than four lymph nodes found in the specimen. The procedure is not specified as sentinel node biopsy.
5	4 or more regional lymph nodes removed	Sampling or dissection of regional lymph nodes with at least four lymph nodes found in the specimen. The procedure is not specified as sentinel node biopsy.
6	Sentinel node biopsy and code 3, 4, or 5, at same time, or timing not stated	Code 2 was performed in a single surgical event with code 3, 4, or 5. Or, code 2 and 3, 4, or 5 were performed, but timing was not stated in patient record.
7	Sentinel node biopsy and code 3, 4, or 5 at different times	Code 2 was followed in a subsequent surgical event by procedures coded 3, 4, or 5.
9	Unknown or not applicable	It is unknown whether regional lymph node surgery was performed; death certificate-only; for lymphomas with a lymph node primary site; an unknown or ill-defined primary; or for hematopoietic, reticuloendothelial, immunoproliferative, or myeloproliferative disease.