LOINCActiveBoth

LOINC Code 105900-5: Bacteria Identification Ql (Isol)

105900-5 is a LOINC code used to identify Bacteria Identification Ql (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 Bacteria identification test. 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 Bacteria identification test. 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

  • Bacteria Identification [Presence] in Isolate
  • Bacteria identification test
  • Bact; Bacteria ID test; Islt; Isol; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

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

Bacteria Identification Ql (Isol)Bacteria Identification [Presence] in IsolateBacteria ID test Islt QlBacteria identification testMICROBacteria identificationPrThr

Frequently asked questions

Code details

Code105900-5
SystemLOINC
Display nameBacteria Identification Ql (Isol)
DescriptionBacteria identification test
Short nameBacteria ID test Islt Ql
ComponentBacteria identification test
PropertyPrThr
TimingPt
System (specimen)Isolate
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Bacteria identification

Part names

Bacteria identification testPrThrPtIsolateOrdBacteria IdentificationPresence or ThresholdPoint 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 105900-5 | HealthAssure