LOINC Code 21937-8: Surgery regional nodes examined [#] Cancer

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 Surgery regional nodes examined. It is commonly used with the system or sample type Cancer.XXX.

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

• Surgery regional nodes examined [#] Cancer
• Surgery regional nodes examined
• Codes for the number of regional lymph nodes examined in conjunction with surgery performed as part of the first-course treatment. This includes treatment given at all facilities as part of the first course of treatment. See also RX Summ--Scope Reg LN Sur [1292]... NAACCR Data Standards and Data Dictionary Version 11
• CA; Cnt; Count; Misc; Miscellaneous; Number; Oncology; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; Surg; Surgery reg nodes examined; To be specified in another part of the message; TUMOR REGISTRY(NAACCR); Unspecified

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