LOINCActiveObservation

LOINC Code 46244-0: M. tuberculosis complex rpoB gene rifAMPin resistance mutation identified Molgen Nom (Islt/Spec)

46244-0 is a LOINC code used to identify M. tuberculosis complex rpoB gene rifAMPin resistance mutation identified Molgen Nom (Islt/Spec) 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 complex rpoB gene rifAMPin resistance mutation. It is commonly used with the system or sample type Isolate/Specimen.

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 complex rpoB gene rifAMPin resistance mutation. It is commonly used with the system or sample type Isolate/Specimen.

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
  • Method: Molgen

What it does not mean

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

Key facts

  • Mycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutation identified by Molecular method
  • Mycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutation
  • Mycobacterium rpoB region gene mutation for Rifampim resistance
  • Acid Fast; Acid Fast Bacilli; Acid fast bacillus; AFB; ANTIBIOTIC SUSCEPTIBILITIES; c301; Compx; ID; Identity or presence; Infectious Disease; InfectiousDisease; Islt; Islt/Spm; Isol; M tb; M TB Cmplx; M tuberculosis; Molecular genetics; Mtb; MTB cmplx rpoB RIF mut; Mut; Mutations; Myco; Mycobact; Mycobacterium tuberculosum; Nominal; PCR; Point in time; Random; Resist; Resistanc; Resistant; Resistent; RIF; Rifadin; Rifampicin; Rimactane; Spec; TB; Tuberculosis

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 complex rpoB gene rifAMPin resistance mutation identified Molgen Nom (Islt/Spec)Mycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutation identified by Molecular methodMTB cmplx rpoB RIF mut Islt/SpmMycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutationABXBACTMycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutation testPrid

Frequently asked questions

Code details

Code46244-0
SystemLOINC
Display nameM. tuberculosis complex rpoB gene rifAMPin resistance mutation identified Molgen Nom (Islt/Spec)
DescriptionMycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutation
Short nameMTB cmplx rpoB RIF mut Islt/Spm
ComponentMycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutation
PropertyPrid
TimingPt
System (specimen)Isolate/Specimen
ScaleNom
MethodMolgen
ClassABXBACT
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.79

Consumer names

Mycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutation test

Part names

Mycobacterium tuberculosis complex rpoB gene rifAMPin resistance mutationPridPtIsolate/SpecimenNomMolgenPresence or IdentityPoint in time (spot)Isolate or SpecimenMolecular genetics

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.