LOINC Code 47222-5: Trisomy 21 risk based on maternal age+Alpha-1-Fetoprotein+Choriogonadotropin+Estriol.unconjugated Qn (fetus)

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 Trisomy 21 risk based on maternal age + Alpha-1-Fetoprotein + Choriogonadotropin + Estriol.unconjugated. It is commonly used with the system or sample type ^Fetus.

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: Observation

What it does not mean

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

Key facts

• Trisomy 21 risk based on maternal age+Alpha-1-Fetoprotein+Choriogonadotropin+Estriol.unconjugated [Likelihood] in Fetus
• Trisomy 21 risk based on maternal age + Alpha-1-Fetoprotein + Choriogonadotropin + Estriol.unconjugated
• A1; AFP; Alfa; Alpha fetoprotein; Alphafetoprotein; CG; Chemistry; Choriogonadotropins total; Chorionic gonadotropin; Down syndrome; Downs; Down's syndrome; ds; E3; Estriol free; Fetal; Feto; Gyn; Gynecology; HCG; Human chorionic gonadotropin; i; OB; ObGyn; Obstetrics; Point in time; QNT; Quan; Quant; Quantitative; Random; Risk; Ts; Ts 21 risk; Ts 21risk-age; Ts 21risk-age+AFP+HCG+uE3; Tumor marker; u Estriol; uE3; Uncnj; Unconj; Unconjug; Unconjugat

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