What Does CNV Mean in Medical Terms?

CNV stands for copy number variant. Gain or loss of a DNA segment.

Where you will see CNV

You will most often see CNV in laboratory orders and test results, medical charts and clinical notes.

Example

A laboratory request or report might list “CNV” as shorthand for copy number variant.

Related abbreviations

• 1,25-(OH)2 vitamin D — 1,25-dihydroxyvitamin D
• 14-3-3 — 14-3-3 protein (CSF)
• 17-OHP — 17-hydroxyprogesterone
• 1h GTT — one-hour glucose challenge test
• 21-hydroxylase — 21-hydroxylase deficiency (CAH)
• 25-OH vitamin D — 25-hydroxyvitamin D
• 3h GTT — three-hour glucose tolerance test
• 4Ts — 4Ts score

Browse the full Medical Abbreviations guide — 5,715 entries, searchable A–Z and by specialty.