LOINCActiveBoth

LOINC Code 17652-9: S. pneumoniae Ag LA Ql (Specimen)

17652-9 is a LOINC code used to identify S. pneumoniae Ag LA 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 Streptococcus pneumoniae 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 Streptococcus pneumoniae 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: ACTIVE
  • Order vs observation: Both
  • Method: LA

What it does not mean

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

Key facts

  • Streptococcus pneumoniae Ag [Presence] in Specimen by Latex agglutination
  • Streptococcus pneumoniae Ag
  • Antigen; Antigens; ID; Infectious Disease; InfectiousDisease; LAT; Latex agglutination; Microbiology; Misc; Miscellaneous; Ordinal; Other; Pneu; pneum; Pneumo; Pneumococ; Pneumococcal; Pneumococcal pneumonia; Pneumococcus; Pneumon; Pneumonia; Point in time; PR; QL; Qual; Qualitative; Random; S pneumo; S pneumoniae; Screen; Spec; Spn; Strep; Strept; 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

S. pneumoniae Ag LA Ql (Specimen)Streptococcus pneumoniae Ag [Presence] in Specimen by Latex agglutinationS pneum Ag Spec Ql LAStreptococcus pneumoniae AgMICROStreptococcus pneumoniae antigen, SpecimenPrThr

Frequently asked questions

Code details

Code17652-9
SystemLOINC
Display nameS. pneumoniae Ag LA Ql (Specimen)
DescriptionStreptococcus pneumoniae Ag
Short nameS pneum Ag Spec Ql LA
ComponentStreptococcus pneumoniae Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodLA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Streptococcus pneumoniae antigen, Specimen

Part names

Streptococcus pneumoniae AgPrThrPtXXXOrdLAPresence or ThresholdPoint in time (spot)Latex agglutination

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 17652-9 | HealthAssure