LOINC Code 97990-6: vWf cleaving protease actual/normal IA (PPP) [Rel catalytic activity/Vol]

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 von Willebrand factor cleaving protease actual/normal. 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

• von Willebrand factor (vWf) cleaving protease actual/normal in Platelet poor plasma by Immunoassay
• von Willebrand factor cleaving protease actual/normal
• Act/Nor; ADAMTS13; ADAMTS-13; COAGULATION; Control; EIA; ELFA; ELISA; Enzyme immunoassay; Fac; Fact; Hematology; Heme; IAA; MEIA; Plas; Platelet poor plasma; Point in time; PR; QNT; Quan; Quant; Quantitative; Random; RlCCnc; SUDS; TTP; Von will; Vonwillebrand; vWCP; vWf; vWF Cp; VWFCP; VWF-cp

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