LOINC Code 46217-6: M. tuberculosis stim IFN-g by CD4+ T-cells 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 Mycobacterium tuberculosis stimulated gamma interferon release by CD4+ T-cells. 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: Both

What it does not mean

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

Key facts

• Mycobacterium tuberculosis stimulated gamma interferon release by CD4+ T-cells [Units/volume] in Blood
• Mycobacterium tuberculosis stimulated gamma interferon release by CD4+ T-cells
• The quantitative levels (not corrected for background) for an IFN-gamma response by CD4+ T-helper lymphocytes stimulated by the presence of TB antigens, such as ESAT-6 and CFP-10.
• Acid Fast; Acid Fast Bacilli; Acid fast bacillus; AFB; Arbitrary concentration; Blood; Cell; Cellularity; Helper T cells; ID; IFN; IGRA; Inducer T cells; Infectious Disease; InfectiousDisease; L3T4; Leu3; Leu-3; Lung; M tb; M TB IFN-g; M TB IFN-g CD4+ T-cells; M tuberculosis; Microbiology; Mtb; Myco; Mycobact; Mycobacterium tuberculosum; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; T prime; T4; T-4; TB; Tuberculosis; W3/25; 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