LOINCActiveBoth

LOINC Code 39017-9: M. tuberculosis tuberculin stim IFN-g/Mitogen stimulated gamma interferon (Bld) [Rel units/Vol]

39017-9 is a LOINC code used to identify M. tuberculosis tuberculin stim IFN-g/Mitogen stimulated gamma interferon (Bld) [Rel units/Vol] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Mycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferon. It is commonly used with the system or sample type Bld.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferon. 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 tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferon in Blood
  • Mycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferon
  • In vitro test to measures component of cell-mediated immune reactivity to M. tuberculosis based on the quantification of interferon-gamma released from sensitized WBC incubated overnight with purified PPD and control Ag.
  • Acid Fast; Acid Fast Bacilli; Acid fast bacillus; AFB; Blood; ID; IFN; IGRA; Infectious Disease; InfectiousDisease; Lung; M tb; M TB tuberc IFN-g; M tuberculosis; Microbiology; Mitogen IGNF; Mtb; Myco; Mycobact; Mycobacterium tuberculosum; Point in time; PPD; Pulmonary; Pulmonology; Purified protein derivative; QFT; QNT; Quan; Quant; Quantiferon; Quantitative; Random; Respiratory; RlACnc; TB; Tuberculosis; Tuberculosis antigen; 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

M. tuberculosis tuberculin stim IFN-g/Mitogen stimulated gamma interferon (Bld) [Rel units/Vol]Mycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferon in BloodM TB tuberc IFN-g/Mitogen IGNF BldMycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferonMICROMycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen Stimulated Gamma Interferon, BloodRelACnc

Frequently asked questions

Code details

Code39017-9
SystemLOINC
Display nameM. tuberculosis tuberculin stim IFN-g/Mitogen stimulated gamma interferon (Bld) [Rel units/Vol]
DescriptionMycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferon
Short nameM TB tuberc IFN-g/Mitogen IGNF Bld
ComponentMycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferon
PropertyRelACnc
TimingPt
System (specimen)Bld
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.73

Consumer names

Mycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen Stimulated Gamma Interferon, Blood

Part names

Mycobacterium tuberculosis tuberculin stimulated gamma interferon/Mitogen stimulated gamma interferonRelACncPtBldQnRelative Arbitrary ConcentrationPoint in time (spot)Blood

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.