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Data Standards and Data Dictionary

* indicates required field

Length: 2
Source of Standard: SEER/CoC
Section Name: Stage/Prognostic Factors
Record Types: A, M, C, I

XML NAACCR ID: regionalNodesExamined

Parent XML Element: Tumor

Alternate Names:

  • Number of Regional Lymph Nodes Examined (SEER)
  • Regional Lymph Nodes Examined
  • Pathologic Review of Regional Lymph Nodes (SEER)

Required Status:

NPCR Collect: R - Required
CoC Collect: R - Required
SEER Collect: R - Required
CCCR Collect: R* - Required, when available

Description:

Records the total number of regional lymph nodes that were removed and examined by the pathologist. Beginning with tumors diagnosed on or after January 1, 2004, this item is a component of the Collaborative Stage system.

Rationale:

This data item serves as a quality measure of the pathologic and surgical evaluation and treatment of the patient.

Format:

Right justified, zero filled

Item Data Type:

digits

Allowable Values

00-90, 95-99

Codes:

00

No nodes were examined

01-89

1-89 nodes were examined (code the exact number of regional lymph nodes examined)

90

90 or more nodes were examined

95

No regional nodes were removed, but aspiration of regional nodes was performed

96

Regional lymph node removal was documented as a sampling, and the number of nodes is unknown/not stated

97

Regional lymph node removal was documented as a dissection, and the number of nodes is unknown/not stated

98

Regional lymph nodes were surgically removed, but the number of lymph nodes is unknown/not stated and not documented as a sampling or dissection; nodes were examined, but the number is unknown

99

It is unknown whether nodes were examined; not stated in patient record