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Tests

Double-Negative T-Lymphocyte Subpopulation Count

The determination of the number of sub-population of double-negative T-lymphocytes (negative for both CD4 and CD8) in a sample.

For professionals

Tests

Double-Negative T-Lymphocyte to Lymphocyte Ratio Measurement

The determination of the ratio of double-negative T-lymphocytes to lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

For professionals

Tests

Double-Negative T-Lymphocyte to T-Lymphocyte Ratio Measurement

The determination of the ratio of double-negative T-lymphocytes to T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

For professionals

Indicators

EED Gene

This gene plays a role in the negative regulation of transcription.

Glossary Term

False Negative

A test result that shows no evidence of a result or condition although it is present.

Performance Metrics

Glossary Term

False Negative Result

Problem associated with the device incorrectly reporting that something has not been detected and may mislead the operator into not taking certain actions when action should be taken.

Performance Metrics

Tests

Gram Negative Cocci Measurement

The determination of the amount of gram negative cocci present in a sample.

For professionals

Tests

A Gram stain is a test that checks to see if you have a bacterial infection . A sample is taken from the site of a suspected infection, such as your throat, lungs, genitals, or a skin wound . Gram stains may also be used to check for bacteria in certain body fluids, such as blood or urine.

For everyone & professionals

Article

Hematological and biochemical alterations in patients with suspected COVID-19 infection with negative and positive RT-PCR swabs.

Research record from Acta Biochim Pol, 2026-08-18. PMID 42682552.

Article

High frequency of Streptococcus pneumoniae serotype 10A identified by PCR in cerebrospinal fluid culture-negative paediatric clinical samples.

Research record from Enferm Infecc Microbiol Clin (Engl Ed), 2026-04-01. PMID 41962978.

Article

Identification of Somatic and Germline Mutations Influencing Treatment Outcomes and Disease Susceptibility in Tunisian Triple-Negative Breast Cancer Using Next-Generation Sequencing.

Research record from Br J Biomed Sci, 2026-04-22. PMID 42099507.

Article

Improved Detection of Pathogens in Culture-Negative Neonatal Sepsis Using Automated Blood Culture with MALDI-TOF Mass Spectrometry Compared with Conventional Blood Culture: A Prospective Cross-Sectional Study.

Research record from Indian J Pediatr, 2026-08-15. PMID 42603257.

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Double-Negative T-Lymphocyte Subpopulation Count

Double-Negative T-Lymphocyte to Lymphocyte Ratio Measurement

Double-Negative T-Lymphocyte to T-Lymphocyte Ratio Measurement

EED Gene

False Negative

False Negative Result

Gram Negative Cocci Measurement

Gram Stain

Hematological and biochemical alterations in patients with suspected COVID-19 infection with negative and positive RT-PCR swabs.

High frequency of Streptococcus pneumoniae serotype 10A identified by PCR in cerebrospinal fluid culture-negative paediatric clinical samples.

Identification of Somatic and Germline Mutations Influencing Treatment Outcomes and Disease Susceptibility in Tunisian Triple-Negative Breast Cancer Using Next-Generation Sequencing.

Improved Detection of Pathogens in Culture-Negative Neonatal Sepsis Using Automated Blood Culture with MALDI-TOF Mass Spectrometry Compared with Conventional Blood Culture: A Prospective Cross-Sectional Study.