LOINCActiveBoth

LOINC Code 77949-6: S. pneumoniae Ag IA.rapid Ql (U)

77949-6 is a LOINC code used to identify S. pneumoniae Ag IA.rapid Ql (U) 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 Urine.

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 Urine.

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: IA.rapid

What it does not mean

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

Key facts

  • Streptococcus pneumoniae Ag [Presence] in Urine by Rapid immunoassay
  • Streptococcus pneumoniae Ag
  • This term was created for, but not limited in use to, the submitter's Alere BinaxNOW Streptococcus pneumoniae antigen test kit is a rapid assay for the qualitative detection of S. pneumoniae antigen in the urine of patients with pneumonia. The test can be read in 15 minutes.
  • Antigen; Antigens; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Pneu; pneum; Pneumo; Pneumococ; Pneumococcal; Pneumococcal pneumonia; Pneumococcus; Pneumon; Pneumonia; Point in time; PR; QL; Qual; Qualitative; Random; S pneumo; S pneumoniae; Screen; Spn; Strep; Strept; SUDS; UA; UR; Urn

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 IA.rapid Ql (U)Streptococcus pneumoniae Ag [Presence] in Urine by Rapid immunoassayS pneum Ag Ur Ql IA.rapidStreptococcus pneumoniae AgMICROStreptococcus pneumoniae antigen, UrinePrThr

Frequently asked questions

Code details

Code77949-6
SystemLOINC
Display nameS. pneumoniae Ag IA.rapid Ql (U)
DescriptionStreptococcus pneumoniae Ag
Short nameS pneum Ag Ur Ql IA.rapid
ComponentStreptococcus pneumoniae Ag
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodIA.rapid
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.73

Consumer names

Streptococcus pneumoniae antigen, Urine

Part names

Streptococcus pneumoniae AgPrThrPtUrineOrdIA.rapidPresence or ThresholdPoint in time (spot)Rapid immunoassay

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 77949-6 | HealthAssure