cfDNA or ctDNA Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of circulating cell free or tumor DNA present in a blood, plasma or serum sample.

**Synonyms:** - Cell-Free DNA/Circulating Tumor DNA Measurement - Circulating Cell-Free DNA/Circulating Tumor-Derived DNA Measurement - cfDNA/ctDNA - cfDNA/ctDNA Measurement - cfDNA/ctdDNA Measurement