LOINC Code 82509-1: Gamma interferon.negative control Qn (Bld)

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 Gamma interferon.negative control. It is commonly used with the system or sample type Bld.

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
• Order vs observation: Observation

What it does not mean

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

Key facts

• Gamma interferon.negative control [Units/volume] in Blood
• Gamma interferon.negative control
• The negative control accounts for any cells that would be producing interferon at some level without any additional stimulation. This term was created for, but is not limited in use to, the submitter's Bovigam Mycobacterium bovis Gamma Interferon Test Kit for Cattle, a blood-based in vitro laboratory test for bovine tuberculosis.
• Arbitrary concentration; Blood; ID; IFN; IGNF neg control; Infectious Disease; InfectiousDisease; Microbiology; NEG; Point in time; QNT; Quan; Quant; Quantitative; Random; Vet; Veterinary; WB; Whole blood

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