LOINC Code 76397-9: Lymph node involvement Ql (Lymph node)

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Lymph node involvement. It is commonly used with the system or sample type Lymph node.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Observation

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Lymph node involvement
• Patients are allocated into two risk groups based on lymph node involvement; the risk group for node-negative patients, and the risk group for node-positive (1-3) patients. This term was created for, but not limited in use to, the Prosigna Breast Cancer Prognostic Gene Signature assay, which is based on the reported 50-gene classifier algorithm originally named PAM50.
• Finding; Findings; Ln; LN involved; Ordinal; Pathology; Point in time; QL; Qual; Qualitative; Random; Screen

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions