LOINCActiveBoth

LOINC Code 33693-3: Y. pestis Phage lysis Ql (Isol)

33693-3 is a LOINC code used to identify Y. pestis Phage lysis 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 Yersinia pestis. 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 Yersinia pestis. 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
  • Method: Phage lysis

What it does not mean

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

Key facts

  • Yersinia pestis [Presence] in Isolate by Phage lysis
  • Yersinia pestis
  • ID; Infectious Disease; InfectiousDisease; Islt; Isol; Microbiology; Ordinal; P pestis; Pasturella pestis; Plague; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Y pestis

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

Y. pestis Phage lysis Ql (Isol)Yersinia pestis [Presence] in Isolate by Phage lysisY pestis Islt Ql Phage LysYersinia pestisMICROPrThrPt

Frequently asked questions

Code details

Code33693-3
SystemLOINC
Display nameY. pestis Phage lysis Ql (Isol)
DescriptionYersinia pestis
Short nameY pestis Islt Ql Phage Lys
ComponentYersinia pestis
PropertyPrThr
TimingPt
System (specimen)Isolate
ScaleOrd
MethodPhage lysis
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.65

Consumer names

Yersinia pestis

Part names

Yersinia pestisPrThrPtIsolateOrdPhage lysisPresence 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 33693-3 | HealthAssure