LOINC Code 21893-3: Regional lymph nodes positive [#] Specimen

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 Regional lymph nodes positive. It is commonly used with the system or sample type Specimen.

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

What it does not mean

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

Key facts

• Regional lymph nodes positive [#] Specimen
• Regional lymph nodes positive
• Records the exact number of regional nodes examined by the pathologist and found to contain metastases. Beginning with tumors diagnosed on or after January 1, 2004, this item is a component of the Collaborative Stage system. Tumors diagnosed from 1988 through 2003,this item is part of the 10-digit EOD [779], detailed site-specific codes for anatomic EOD. This data item is necessary for pathologic staging, and it serves as a quality measure for pathology reports and the extent of the surgical evaluation and treatment of the patient. NAACCR Data Standards and Data Dictionary Version 11
• Cnt; Count; Number; Oncology; Point in time; Pos; QNT; Quan; Quant; Quantitative; Random; Reg LN positive; Spec; TUMOR REGISTRY(NAACCR)

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