LOINCBoth

LOINC Code 31906-1: N. gonorrhoeae Ag Ql (Specimen)

31906-1 is a LOINC code used to identify N. gonorrhoeae Ag 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 Neisseria gonorrhoeae Ag. 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 Neisseria gonorrhoeae Ag. 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: DISCOURAGED
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Neisseria gonorrhoeae Ag [Presence] in Specimen
  • Neisseria gonorrhoeae Ag
  • Antigen; Antigens; GC; Gono; Gonorrhea; ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; N gonorrhoea; N gonorrhoeae; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; To be specified in another part of the message; Unspecified

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

N. gonorrhoeae Ag Ql (Specimen)Neisseria gonorrhoeae Ag [Presence] in SpecimenN gonorrhoea Ag Spec QlNeisseria gonorrhoeae AgMICRONeisseria gonorrhoeae antigen, SpecimenPrThr

Frequently asked questions

Code details

Code31906-1
SystemLOINC
Display nameN. gonorrhoeae Ag Ql (Specimen)
DescriptionNeisseria gonorrhoeae Ag
Short nameN gonorrhoea Ag Spec Ql
ComponentNeisseria gonorrhoeae Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
ClassMICRO
StatusDISCOURAGED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.69

Consumer names

Neisseria gonorrhoeae antigen, Specimen

Part names

Neisseria gonorrhoeae AgPrThrPtXXXOrdPresence 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 31906-1 | HealthAssure