PCR

PCR or pcr may refer to:

Science and medicine

 * Pathologic complete response (pCR), in neoadjuvant therapy
 * Polymerase chain reaction
 * COVID-19 testing, often performed using the polymerase chain reaction method
 * Phosphocreatine, a phosphorylated creatine molecule
 * Principal component regression, a statistical technique
 * Protein/creatinine ratio, in urine

Technology

 * Passport Carrier Release, telecommunications software
 * Peak cell rate, on ATM networks
 * Platform Configuration Register, a Trusted Execution Technology implemented using a TPM
 * Processor Control Region, a Windows data structure
 * Program clock reference, in MPEG transport streams
 * XM PCR, a satellite receiver

Political parties

 * Parti Communiste Réunionnais or Communist Party of Réunion
 * Partido Comunista Revolucionário or Revolutionary Communist Party
 * Partido Cívico Renovador or Civic Renovation Party, Dominican Republic
 * Partidul Comunist Român or Romanian Communist Party

Other uses

 * Put/call ratio, in finance
 * Amdo Tibetan (ISO 639 code pcr), a language
 * Germán Olano Airport (IATA code PCR), Colombia
 * Palestinian Center for Rapprochement between Peoples, Palestine
 * Pancritical rationalism, a development of critical rationalism and panrationalism
 * Paul Cruickshank Racing, an Australian motor racing team
 * Police control room, an emergency control centre
 * Practical Chinese Reader, a textbook
 * Production control room, of a television studio
 * Princess Connect! Re:Dive, a video game
 * Police of the Czech Republic