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.

LOINCActiveObservation

LOINC Code 101504-9: Tetracycline MIC.VOC detection (Pos bld culture) [Susc]

Name: LOINC Code 101504-9: Tetracycline MIC.VOC detection (Pos bld culture) [Susc]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:17.028Z

101504-9 is a LOINC code used to identify Tetracycline MIC.VOC detection (Pos bld culture) [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 Tetracycline. It is commonly used with the system or sample type Bld.pos growth.

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 Tetracycline. It is commonly used with the system or sample type Bld.pos growth.

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: MIC.VOC detection

What it does not mean

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

Key facts

Tetracycline [Susceptibility] by MIC.VOC detection in Positive blood culture
Tetracycline
Achromycin V; ANTIBIOTIC SUSCEPTIBILITIES; AST; Bld Pos; Blood; C18; c211; C75; Chemiciclina; Minimum inhibitory concentration; Panmycin; Point in time; Random; Sus; Suscept; Susceptibilities; Susceptibility; Susceptibilty; Tetrabioptal; 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

Tetracycline MIC.VOC detection (Pos bld culture) [Susc]Tetracycline [Susceptibility] by MIC.VOC detection in Positive blood cultureTetracycline Bld Pos MIC.VOC detTetracyclineABXBACTSusceptibility to TetracyclineSusc

Frequently asked questions

Code details

Code101504-9

SystemLOINC

Display nameTetracycline MIC.VOC detection (Pos bld culture) [Susc]

DescriptionTetracycline

Short nameTetracycline Bld Pos MIC.VOC det

ComponentTetracycline

PropertySusc

TimingPt

System (specimen)Bld.pos growth

ScaleOrdQn

MethodMIC.VOC detection

ClassABXBACT

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.74

Last changed2.75

Consumer names

Susceptibility to Tetracycline

Part names

TetracyclineSuscPtBld.pos growthOrdQnMIC.VOC detectionSusceptibility (microorganisms)Point in time (spot)Positive blood culture

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.