LOINCBoth

LOINC Code 14473-3: C. trachomatis Ag EIA Ql (Penis)

14473-3 is a LOINC code used to identify C. trachomatis Ag EIA Ql (Penis) 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 Chlamydia trachomatis Ag. It is commonly used with the system or sample type Penis.

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 Chlamydia trachomatis Ag. It is commonly used with the system or sample type Penis.

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: DEPRECATED
  • Order vs observation: Both
  • Method: EIA

What it does not mean

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

Key facts

  • Deprecated Chlamydia trachomatis Ag [Presence] in Penis by Immunoassay
  • Chlamydia trachomatis Ag
  • Antigen; Antigens; Arbitrary concentration; C trac; C trach; C tracho; C trachomatis; Chlam; Chlam trac; Chlamid; CT; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; LGV; Lymphogranuloma venereum; MEIA; Microbiology; Ordinal; Pen; Penile; Point in time; QL; Qual; Qualitative; Random; Screen; SUDS; Trachoma

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

C. trachomatis Ag EIA Ql (Penis)Deprecated Chlamydia trachomatis Ag [Presence] in Penis by ImmunoassayDeprecated C trach Ag Penis Ql EIAChlamydia trachomatis AgMICROChlamydia trachomatis antigen, PenisACnc

Frequently asked questions

Code details

Code14473-3
SystemLOINC
Display nameC. trachomatis Ag EIA Ql (Penis)
DescriptionChlamydia trachomatis Ag
Short nameDeprecated C trach Ag Penis Ql EIA
ComponentChlamydia trachomatis Ag
PropertyACnc
TimingPt
System (specimen)Penis
ScaleOrd
MethodEIA
ClassMICRO
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.52

Consumer names

Chlamydia trachomatis antigen, Penis

Part names

Chlamydia trachomatis AgACncPtPenisOrdEIAArbitrary ConcentrationPoint in time (spot)Immunoassay (EIA)

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 14473-3 | HealthAssure