LFT          
noun [ C ]  medical specialized uk/ˌel.efˈtiː/ us/ˌel.efˈtiː/
 mainly UK (US usually rapid test)侧流测试(lateral flow test的缩写) 
abbreviation for lateral flow test: a test done using a small medical device that tests whether or not there is a particular substance, gene, etc. in a sample
  Once you have done your LFT, you have to report the results. 
Lateral flow tests (LFTs) are used to identify people with COVID-19 who are not showing symptoms. 侧流测试被用来识别无症状COVID-19患者。 
 Compare: PCR test
  肝功能测试(liver function test的缩写)
abbreviation for liver function test: a test that checks the health of the liver (= the organ in the body that cleans the blood and produces bile)
  The patient had no known previous liver disease or LFT abnormalities. 患者没有已知的曾经有过的肝脏疾病或肝功能测试异常。 
 - More examples
 - More than 7,000 university students were tested with LFTs in Birmingham.
 - A negative LFT should be used in conjunction with other measures such as good ventilation and face masks to reduce overall risk of getting Covid 19.
 - The patient remained febrile with persistently abnormal LFTs.
 - LFT including protein electrophoresis was normal.