LOINC Code 71774-4: Mitogen stimulated gamma interferon corrected for background 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 Mitogen stimulated gamma interferon^^corrected for background. 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

• Mitogen stimulated gamma interferon [Units/volume] corrected for background in Blood
• Mitogen stimulated gamma interferon^^corrected for background
• This is used as a positive control in interferon-gamma release assays.
• Arbitrary concentration; bckgrd cor; Blood; ID; IFN; IGRA; Infectious Disease; InfectiousDisease; Lung; Microbiology; Mitogen IGNF; Point in time; Pulmonary; Pulmonology; QFT; QNT; Quan; Quant; Quantiferon; Quantitative; Random; Respiratory; 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