LOINC Code 3189-8: Coagulation factor IX Ag IA Qn (PPP)

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 Coagulation factor IX Ag. It is commonly used with the system or sample type PPP.

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

• Coagulation factor IX Ag [Units/volume] in Platelet poor plasma by Immunoassay
• Coagulation factor IX Ag
• Antigen; Antigens; Antihemophilic factor B; Arbitrary concentration; Christmas factor; Coag; EIA; ELFA; ELISA; Enzyme immunoassay; Fac; Fact; Fact IX; Factor 9; FIX; Hematology; Heme; IAA; MEIA; Plas; Plasma thromboplastin component; Platelet poor plasma; Point in time; PTC; QNT; Quan; Quant; Quantitative; Random; SUDS; Thrombocyte cofactor II

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