NAACCR Item #3882: LN Positive Axillary Level I-II

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,882 2 NAACCR 2018 18

NAACCR XML: Tumor.lnPositiveAxillaryLevel1To2


This data item pertains to the number of positive ipsilateral level I and II axillary lymph nodes and intramammary lymph nodes based on pathological information.


Lymph Nodes Positive Axillary Level I-II can be collected by the surveillance community for breast cancers. Prior to 2018, Breast SSF#3 was used for Lymph Nodes Positive Axillary Level I-II.


00All ipsilateral axillary nodes examined negative
01-991 - 99 nodes positive (Exact number of nodes positive)
X1100 or more nodes positive
X5Positive nodes, number unspecified
X6Positive aspiration or needle core biopsy of lymph node(s)
X8Not applicable: Information not collected for this case (If this item is required by your standard setter, use of code X8 will result in an edit error.)
X9Not documented in medical record Level I-II axillary nodes not assessed or unknown if assessed

Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.