LOINCActiveBoth

LOINC Code 42717-9: M. tuberculosis complex genotype Nar (Isol)

42717-9 is a LOINC code used to identify M. tuberculosis complex genotype Nar (Isol) 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 genotype. It is commonly used with the system or sample type Isolate.

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 genotype. It is commonly used with the system or sample type Isolate.

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 complex genotype [Identifier] in Isolate
  • Mycobacterium tuberculosis complex genotype
  • Acid Fast; Acid Fast Bacilli; Acid fast bacillus; AFB; Compx; Gentyp; ID; Identity or presence; Infectious Disease; InfectiousDisease; Islt; Isol; M tb; M TB Cmplx; M tuberculosis; Microbiology; Mtb; Myco; Mycobact; Mycobacterium tuberculosum; Narrative; Point in time; Random; Report; 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 genotype Nar (Isol)Mycobacterium tuberculosis complex genotype [Identifier] in IsolateM TB Cmplx Gentyp IsltMycobacterium tuberculosis complex genotypeMICROPridPt

Frequently asked questions

Code details

Code42717-9
SystemLOINC
Display nameM. tuberculosis complex genotype Nar (Isol)
DescriptionMycobacterium tuberculosis complex genotype
Short nameM TB Cmplx Gentyp Islt
ComponentMycobacterium tuberculosis complex genotype
PropertyPrid
TimingPt
System (specimen)Isolate
ScaleNar
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.34

Consumer names

Mycobacterium tuberculosis complex genotype

Part names

Mycobacterium tuberculosis complex genotypePridPtIsolateNarPresence or IdentityPoint in time (spot)

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.

LOINC Code 42717-9 | HealthAssure