LOINC Code 21894-1: Regional lymph nodes examined [#] Specimen
21894-1 is a LOINC code used to identify Regional lymph nodes examined [#] Specimen in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Regional lymph nodes examined. It is commonly used with the system or sample type 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 examined. 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 examined [#] Specimen
- Regional lymph nodes examined
- 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. Tumors diagnosed from 1988 through 2003, this item is a part of the 10-digit EOD [779], detailed site-specific codes for anatomic EOD. This data item serves as a quality measure of the pathologic and surgical evaluation and treatment of the patient... NAACCR Data Standards and Data Dictionary Version 11
- Cnt; Count; LN exam; Number; Oncology; Point in time; QNT; Quan; Quant; Quantitative; Random; Reg LN examined; 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
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.