LOINC Code 42100-8: Derived American Joint Committee on Cancer stage group

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 Derived American Joint Committee on Cancer stage group. 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

• Derived American Joint Committee on Cancer stage group
• This is the AJCC "Stage Group" component that is derived from the CS detailed site-specific codes, using the CS from the CS algorithm effective with 2004 diagnosis... NAACCR Data Standards and Data Dictionary Version 11
• AJCC; CA; Derived AJCC stg grp; Identity or presence; Misc; Miscellaneous; Nominal; Oncology; Other; Point in time; Random; Spec; 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