GuideDiagnostic Laboratory Methods

Quantitative Reverse Transcriptase PCR

Quantitative PCR: a method to measure very small amounts of RNA transcripts as cDNA targets. There are two strategies currently used, one is called Competitive RTPCR and the other is called Real-Time PCR.

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Updated
2026-10-21
Author
National Cancer Institute (source definition)
Reviewer
Automated source check (NCI definition)

What it is

Quantitative PCR: a method to measure very small amounts of RNA transcripts as cDNA targets. There are two strategies currently used, one is called Competitive RTPCR and the other is called Real-Time PCR.

Source: National Cancer Institute, NCI Thesaurus 26.09d, C28408. NCI definition, reproduced without modification under CC BY 4.0.

Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Compliance note

Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.

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