LOINCActiveBoth

LOINC Code 104553-3: Microorganism identified MS.MALDI-TOF Nom (Pos bld culture)

104553-3 is a LOINC code used to identify Microorganism identified MS.MALDI-TOF Nom (Pos bld culture) 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 Microorganism. 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 Microorganism. 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: Both
  • Method: MS.MALDI-TOF

What it does not mean

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

Key facts

  • Microorganism identified by MS.MALDI-TOF in Positive blood culture
  • Microorganism
  • Bld Pos; Blood; Identity or presence; Microbiology; Microorganisms; Nominal; Org; Organism; Organisms; Point in time; Random; 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

Microorganism identified MS.MALDI-TOF Nom (Pos bld culture)Microorganism identified by MS.MALDI-TOF in Positive blood cultureMicroorganism Bld Pos MS.MALDI-TOFMicroorganismMICROMicroorganism test, Infected bloodPrid

Frequently asked questions

Code details

Code104553-3
SystemLOINC
Display nameMicroorganism identified MS.MALDI-TOF Nom (Pos bld culture)
DescriptionMicroorganism
Short nameMicroorganism Bld Pos MS.MALDI-TOF
ComponentMicroorganism
PropertyPrid
TimingPt
System (specimen)Bld.pos growth
ScaleNom
MethodMS.MALDI-TOF
ClassMICRO
Example units-
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Consumer names

Microorganism test, Infected blood

Part names

MicroorganismPridPtBld.pos growthNomMS.MALDI-TOFPresence or IdentityPoint 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.