LOINC Code 21303-3: G. lamblia Ag spec 3 IA Ql (Stl)

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 Giardia lamblia Ag^3rd specimen. It is commonly used with the system or sample type Stool.

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

What it does not mean

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

Key facts

• Giardia lamblia Ag [Presence] in Stool by Immunoassay --3rd specimen
• Giardia lamblia Ag^3rd specimen
• Antigen; Antigens; Beaver fever; Bowel movement; EIA; ELFA; ELISA; Enzyme immunoassay; Faecal; Faeces; Fecal; Feces; G duodenalis; G intestinalis; G lamblia; Giardiasis; IAA; ID; Infectious Disease; InfectiousDisease; Lamblia intestinalis; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; sp3; Spec; Stl; Stool = Fecal; SUDS

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

Frequently asked questions