OMOP Concept 1346129

Axillary lymph nodes

StandardMeasurementCancer ModifierOMOP5584812Nodes
Maps from
18
Descendants
0
Valid from
28 Jun 2026
Valid to
31 Dec 2099
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Source codes that map to this concept

18 source codes normalize to Axillary lymph nodes via the OMOP "Maps to" relationship.

VocabularyCodeNameType
NAACCRbreast@3882@00All ipsilateral axillary nodes examined negativeNon-standard
NAACCRbreast@3882@X1100 or more nodes positiveNon-standard
NAACCRbreast@3882@X5Positive nodes, number unspecifiedNon-standard
NAACCRbreast@3882@X6Positive aspiration or needle core biopsy of lymph node(s)Non-standard
NAACCRbreast@774@150CLINICAL assessment only Clinically positive movable axillary (level I and II) lymph node(s), ipsilateral Positive needle core biopsy/FNANon-standard
NAACCRbreast@774@200PATHOLOGICAL assessment only Positive axillary (level I and II) lymph node(s), ipsilateral WITH more than micrometastasis (At least one metastasis greater than 2 mm, or size of metastasis not stated) WITHOUT internal mammary lymph node(s) or not statedNon-standard
NAACCRbreast@774@250PATHOLOGICAL assessment only Internal mammary node(s), ipsilateral, positive on sentinel node biopsy but not clinically apparent (No positive imaging or clinical exam) WITHOUT axillary lymph node(s), ipsilateralNon-standard
NAACCRbreast@774@300PATHOLOGICAL assessment only Internal mammary node(s), ipsilateral, positive on sentinel node biopsy but not clinically apparent (No positive imaging or clinical exam) WITH axillary lymph node(s), ipsilateralNon-standard
NAACCRbreast@774@350CLINICAL assessment only Fixed/matted axillary (level I and II) (ipsilateral)Non-standard
NAACCRbreast@774@400CLINICAL assessment only Internal mammary node(s), ipsilateral WITHOUT axillary (level I and II) lymph node(s), ipsilateralNon-standard
NAACCRbreast@774@500Infraclavicular lymph node(s) (subclavicular) (level III axillary node(s)) (apical), ipsilateral WITH or WITHOUT axillary (level I and II) nodes(s) WITHOUT internal mammary nodeNon-standard
NAACCRbreast@774@600Internal mammary node(s), ipsilateral, clinically apparent (On imaging or clinical exam) WITH axillary (level I, II, or III) lymph node(s), ipsilateral including infraclavicularNon-standard
NAACCRbreast@776@10Distant lymph node(s) - Axillary (contralateral or bilateral) - Cervical, NOS - Fixed/matted axillary (level I and II) (contralateral or bilateral) - Infraclavicular (subclavicular) (contralateral or bilateral) - Internal mammary (parasternal) (contral...Non-standard
NAACCRmelanoma_skin@776@10Distant lymph node(s), NOS - Axillary (lower trunk) - Femoral (cephalad/caudal) (upper trunk) - Iliac (leg/hip)Non-standard
NAACCRmerkel_cell_skin@776@10Distant lymph node(s), NOS - Axillary (lower trunk) - Femoral (cephalad/caudal) (upper trunk) - Iliac (leg/hip) - Supraclavicular (head and neck, arm/shoulder)Non-standard
NAACCRskin_other@774@300Skin of trunk (C445) (includes contralateral and bilateral) - Upper trunk + Axillary + Cervical + Internal mammary + Supraclavicular - Lower trunk + Superficial inguinal (femoral) (lower trunk only) (C446-C449: Single, Ipsilateral, Multiple. See EOD Me...Non-standard
NAACCRsoft_tissue_head_neck@774@300Head and Neck subsites - Cervical Lip - Buccinator (buccal) - Facial, NOS - Mandibular (submandibular, submaxillary, submental) - Nasolabial - Parotid (infra-auricular, preauricular) Eyelid/canthus - Facial (buccinator [buccal], nasolabial, NOS) - Mand...Non-standard
NAACCRsoft_tissue_trunk_extremities@774@300Arm/Shoulder - Axillary - Epitrochlear for hand/forearm - Spinal accessory (posterior cervical) for shoulder Leg/Hip - Popliteal for heel and calf - Superficial inguinal (femoral) Upper Trunk - Axillary - Cervical - Internal mammary - Supraclavicular (...Non-standard

Where it sits in the hierarchy

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