What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 71773-6: M. tuberculosis stim IFN-g Ql (Bld) [Interp]

Name: LOINC Code 71773-6: M. tuberculosis stim IFN-g Ql (Bld) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:50.624Z

71773-6 is a LOINC code used to identify M. tuberculosis stim IFN-g Ql (Bld) [Interp] 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 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 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 stimulated gamma interferon [Interpretation] in Blood Qualitative
Mycobacterium tuberculosis stimulated gamma interferon
Acid Fast; Acid Fast Bacilli; Acid fast bacillus; AFB; Blood; ID; IFN; IGRA; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; M tb; M TB IFN-g; M tuberculosis; Microbiology; Mtb; Myco; Mycobact; Mycobacterium tuberculosum; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; TB; Tuberculosis; 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 stim IFN-g Ql (Bld) [Interp]Mycobacterium tuberculosis stimulated gamma interferon [Interpretation] in Blood QualitativeM TB IFN-g Bld-ImpMycobacterium tuberculosis stimulated gamma interferonMICROMycobacterium tuberculosis stimulated gamma interferon, BloodImp

Frequently asked questions

Code details

Code71773-6

SystemLOINC

Display nameM. tuberculosis stim IFN-g Ql (Bld) [Interp]

DescriptionMycobacterium tuberculosis stimulated gamma interferon

Short nameM TB IFN-g Bld-Imp

ComponentMycobacterium tuberculosis stimulated gamma interferon

PropertyImp

TimingPt

System (specimen)Bld

ScaleOrd

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.73

Consumer names

Mycobacterium tuberculosis stimulated gamma interferon, Blood

Part names

Mycobacterium tuberculosis stimulated gamma interferonImpPtBldOrdImpression/interpretation of studyPoint 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.