LOINC Code 47831-3: Argininosuccinate synthase (Amn fld cells) [Catalytic activity/Mass]

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 Argininosuccinate synthase. It is commonly used with the system or sample type Amnio fld cells.

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

What it does not mean

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

Key facts

• Argininosuccinate synthase [Enzymatic activity/mass] in Amniotic fluid cells
• Argininosuccinate synthase
• AF; Amn; Amn fl; Amnc; Amnio; Amniotic flu; Amniotic fluid; Amniotic fluid cells; Argininosuccinic acid; arginosuccinate; Arginosuccinic acid; ASA; ASA Synthase; Catalytic Content; Chemistry; Point in time; QNT; Quan; Quant; Quantitative; Random

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