LOINCActiveBoth

LOINC Code 91789-8: H. ducreyi Org specific cx Ql (Genital specimen)

91789-8 is a LOINC code used to identify H. ducreyi Org specific cx Ql (Genital 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 Haemophilus ducreyi. It is commonly used with the system or sample type Genital.

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 Haemophilus ducreyi. It is commonly used with the system or sample type Genital.

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

  • Haemophilus ducreyi [Presence] in Genital specimen by Organism specific culture
  • Haemophilus ducreyi
  • C&S; Chancroid; Cult; Cultures; Gen; Genital tract; H ducreyi; Haemoph; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; Urogenit; Urogenital

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

H. ducreyi Org specific cx Ql (Genital specimen)Haemophilus ducreyi [Presence] in Genital specimen by Organism specific cultureH ducreyi Genital Ql CultHaemophilus ducreyiMICROHaemophilus ducreyi culture, Genital specimenPrThr

Frequently asked questions

Code details

Code91789-8
SystemLOINC
Display nameH. ducreyi Org specific cx Ql (Genital specimen)
DescriptionHaemophilus ducreyi
Short nameH ducreyi Genital Ql Cult
ComponentHaemophilus ducreyi
PropertyPrThr
TimingPt
System (specimen)Genital
ScaleOrd
MethodOrganism specific culture
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.66
Last changed2.66

Consumer names

Haemophilus ducreyi culture, Genital specimen

Part names

Haemophilus ducreyiPrThrPtGenitalOrdOrganism 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 91789-8 | HealthAssure