LOINCActiveBoth

LOINC Code 11269-8: S. pyogenes Ag Aggl Ql (S)

11269-8 is a LOINC code used to identify S. pyogenes Ag Aggl Ql (S) 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 pyogenes Ag. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 pyogenes Ag. It is commonly used with the system or sample type Ser.

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: Aggl

What it does not mean

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

Key facts

  • Streptococcus pyogenes Ag [Presence] in Serum by Agglutination
  • Streptococcus pyogenes Ag
  • Agg; Agglut; Agglutination; Antigen; Antigens; GAS; Group A Strep; ID; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; S pyogenes; Screen; Serum; SR; Steptococcus Group A; Strep; Strept; Streptococci group A; Streptococcus group A

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. pyogenes Ag Aggl Ql (S)Streptococcus pyogenes Ag [Presence] in Serum by AgglutinationS pyo Ag Ser Ql AgglStreptococcus pyogenes AgMICROStreptococcus pyogenes antigen, BloodPrThr

Frequently asked questions

Code details

Code11269-8
SystemLOINC
Display nameS. pyogenes Ag Aggl Ql (S)
DescriptionStreptococcus pyogenes Ag
Short nameS pyo Ag Ser Ql Aggl
ComponentStreptococcus pyogenes Ag
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodAggl
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.56

Consumer names

Streptococcus pyogenes antigen, Blood

Part names

Streptococcus pyogenes AgPrThrPtSerOrdAgglPresence or ThresholdPoint in time (spot)SerumAgglutination

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 11269-8 | HealthAssure