LOINCActiveObservation

LOINC Code 18983-7: Streptomycin High potency [Susc]

18983-7 is a LOINC code used to identify Streptomycin High potency [Susc] 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 Streptomycin. 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 Streptomycin. 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: Observation
  • Method: High potency

What it does not mean

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

Key facts

  • Streptomycin [Susceptibility] by High potency
  • Streptomycin
  • Aminoglycosides; ANTIBIOTIC SUSCEPTIBILITIES; AST; c232; C295; Cidam est; ID; Infectious Disease; InfectiousDisease; Islt; Isol; Novostrep; Point in time; Random; Solustrep; Streptocol; Strepto-fatol; Streptomyc; Sus; Suscept; Susceptibilities; Susceptibility; Susceptibilty

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

Streptomycin High potency [Susc]Streptomycin [Susceptibility] by High potencyStreptomycin Islt High potencyStreptomycinABXBACTSusceptibility to StreptomycinSusc

Frequently asked questions

Code details

Code18983-7
SystemLOINC
Display nameStreptomycin High potency [Susc]
DescriptionStreptomycin
Short nameStreptomycin Islt High potency
ComponentStreptomycin
PropertySusc
TimingPt
System (specimen)Isolate
ScaleOrdQn
MethodHigh potency
ClassABXBACT
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Susceptibility to Streptomycin

Part names

StreptomycinSuscPtIsolateOrdQnHigh potencySusceptibility (microorganisms)Point 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 18983-7 | HealthAssure