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The probability that a test will produce a true negative result when used on non-effected subjects as compared to a reference or "gold standard". The specificity of a test can be determined by calculating: number of true negative results divided by the sum of true negative results plus number of false positive results.

Performance Metrics

Article

Diagnostic Utility of a Cost-Effective Four-Gene Next Generation Sequencing Panel for Predicting Papillary Thyroid Carcinoma in Indeterminate Thyroid Cytology: A Multicenter Study in China.

Research record from Cancer Med, 2026-05-01. PMID 42083301.

Article

Diagnostic yield of reflex multiplex PCR after a negative rapid antigen test in children hospitalized with presumed viral acute respiratory tract infection: a prospective cohort study.

Research record from Ir J Med Sci, 2026-10-23. PMID 42909763.

Tests

Dibenzo[a,i]pyrene Measurement

The determination of the amount of dibenzo[a,i]pyrene in a sample.

For professionals

Glossary Term

Dideoxy Chain Termination DNA Sequencing

A DNA sequencing technique in which a mixture of deoxynucleosidetriphosphates (dNTPs) and chain-terminating dNTPs, which are radioactively or fluorescently labeled, are combined within the reaction mixture. Once the reaction is complete, the DNA strands are separated by size, and the labeled chain terminating dNTPs can be read in sequence by the investigator or by a machine.

Pcr Terms

Tests

Dietary Added Vitamin E Measurement

A determination of the total added vitamin E in a nutritional product or meal, or a portion thereof.

For professionals

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