PCR or pcr may refer to:

Science

* Phosphocreatine, a phosphorylated creatine molecule * Principal component regression, a statistical technique

Medicine

* Polymerase chain reaction ** COVID-19 testing, often performed using the polymerase chain reaction method * Protein/creatinine ratio, in urine * Pathologic complete response (pCR), in adjuvant therapy#Neoadjuvant therapy, neoadjuvant therapy

Technology

* Passport Carrier Release, telecommunications software * Peak cell rate, on ATM networks * Platform Configuration Register, a Trusted Platform Module#Platform integrity, Trusted Platform Module component * Program clock reference, in MPEG transport streams * Processor Control Region, a Windows data structure * XM PCR, a satellite receiver

Political parties

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

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

Science

Medicine

Technology

Political parties

Other uses

See also