health code

== English == === Etymology === Calque from Chinese 健康碼／健康码 (jiànkāngmǎ). === Noun === health code (plural health codes) (China) A QR code identifying someone's risk level during the COVID-19 pandemic in the PRC, colored in green, yellow, or red in increasing danger. Used other than figuratively or idiomatically: see health,‎ code.