LOINCActiveObservation

LOINC Code 19156-9: Susceptibility method Nom (Specimen)

19156-9 is a LOINC code used to identify Susceptibility method Nom (Specimen) 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 Susceptibility method. It is commonly used with the system or sample type XXX.

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 Susceptibility method. It is commonly used with the system or sample type XXX.

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: *

What it does not mean

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

Key facts

  • Susceptibility method [Identifier] in Specimen
  • Susceptibility method
  • ANTIBIOTIC SUSCEPTIBILITIES; ID; Identity or presence; Infectious Disease; InfectiousDisease; Meth; Method of; Misc; Miscellaneous; Nominal; Other; Point in time; Random; Spec; Sus; Susc; Susc Meth; Suscept; Susceptibilities; Susceptibilty; To be specified in another part of the message; Unspecified

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

Susceptibility method Nom (Specimen)Susceptibility method [Identifier] in SpecimenSusc Meth SpecSusceptibility methodABXBACTSusceptibility method, SpecimenPrid

Frequently asked questions

Code details

Code19156-9
SystemLOINC
Display nameSusceptibility method Nom (Specimen)
DescriptionSusceptibility method
Short nameSusc Meth Spec
ComponentSusceptibility method
PropertyPrid
TimingPt
System (specimen)XXX
ScaleNom
Method*
ClassABXBACT
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Susceptibility method, Specimen

Part names

Susceptibility methodPridPtXXXNom*Presence 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 19156-9 | HealthAssure