LOINC Code 59491-1: Collaborative staging site-specific factor 9 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 Collaborative staging site-specific factor 9. 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

• Collaborative staging site-specific factor 9 Cancer
• Collaborative staging site-specific factor 9
• This data item belongs to the Collaborative Stage (CS) Data Collection System. The Collaborative Stage Data Collection System is based on the <i>AJCC Cancer Staging Manual</i>, 6th and 7th editions. The "CS Site-Specific Factor"items (1-25) are used to code additional site-specific information needed to derive TNM or AJCC stage, or to code prognostic factors that have an effect on stage or survival. Some site-specific information that was formerly recorded in "EOD-Tumor Size"[780] (Breslow's Thickness for melanoma; HIV/AIDS status for lymphoma) is now also in "CS Site-Specific Factor"items. Effective for cases diagnosed 2010+... NAACCR Data Standards and Data Dictionary Version 12
• CA; CS; CS site-specific factor 9; Fac; Fact; 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