LOINC Code 75563-7: Trisomy 21 risk Dosage of chromosome-specific cfDNA Nar (Plasma cell-free+WBC DNA)

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 Fetal trisomy 21 risk. It is commonly used with the system or sample type WBC.DNA+Plas.cfDNA.

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: Dosage of chromosome specific cf DNA

What it does not mean

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

Key facts

• Fetal Trisomy 21 risk [Likelihood] based on Plasma cell-free+WBC DNA by Dosage of chromosome-specific cfDNA Narrative
• Fetal trisomy 21 risk
• This term was developed for, but is not limited in use to, Natera's Panorama noninvasive prenatal test for fetal aneuploidies and microdeletions. It represents the risk based on a priori risk combined with the Panorama test result.
• Chromosom; Chromosomes; Down syndrome; Downs; Down's syndrome; ds; Genetics; Heredity; Heritable; Inherited; Leukocytes; Molecular pathology; MOLPATH; MOLPATH.TRISOMY; Narrative; Pl; Plasma; Plsm; Point in time; Random; Report; Risk; Spec; Ts; Ts 21 risk; WBC.DNA+cfDNA; WBCs; White blood cells

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