LOINCActiveBoth

LOINC Code 549-6: B. pertussis Org specific cx Ql (Specimen)

549-6 is a LOINC code used to identify B. pertussis Org specific cx Ql (Specimen) 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 Bordetella pertussis. It is commonly used with the system or sample type XXX.

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 Bordetella pertussis. It is commonly used with the system or sample type XXX.

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: Organism specific culture

What it does not mean

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

Key facts

  • Bordetella pertussis [Presence] in Specimen by Organism specific culture
  • Bordetella pertussis
  • B pert; B pertussis; C&S; Cult; Cultures; ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; Ordinal; Other; Pertussis; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; To be specified in another part of the message; Unspecified; Whooping cough

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

B. pertussis Org specific cx Ql (Specimen)Bordetella pertussis [Presence] in Specimen by Organism specific cultureB pert Spec Ql CultBordetella pertussisMICROBordetella pertussis culture, SpecimenPrThr

Frequently asked questions

Code details

Code549-6
SystemLOINC
Display nameB. pertussis Org specific cx Ql (Specimen)
DescriptionBordetella pertussis
Short nameB pert Spec Ql Cult
ComponentBordetella pertussis
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodOrganism specific culture
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Bordetella pertussis culture, Specimen

Part names

Bordetella pertussisPrThrPtXXXOrdOrganism specific culturePresence 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 549-6 | HealthAssure