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Intradermal injection of a heated (pasteurized) saline suspension of sarcoid tissue obtained from a sarcoid spleen or lymph node. In patients with ac…

Test results which deviate substantially from normal ranges of REFERENCE VALUES or other qualitative results. They trigger CLINICAL LABORATORY SERVIC…

A measure of a patient's ability to break down lactose.

Techniques using a laser to cut away and harvest a specific cell or cluster of cells from a tissue section while viewing it under the microscope.

A scanning microscope-based, cytofluorimetry technique for making fluorescence measurements and topographic analysis on individual cells. Lasers are …

Passive agglutination tests in which antigen is adsorbed onto latex particles which then clump in the presence of antibody specific for the adsorbed …

Test for cell-mediated antitumor immunity and related serum blocking factors based on the finding that leukocytes from cancer patients, but not from …

The number of WHITE BLOOD CELLS per unit volume in venous BLOOD. A differential leukocyte count measures the relative numbers of the different types …

A DNA amplification technique based upon the ligation of OLIGONUCLEOTIDE PROBES. The probes are designed to exactly match two adjacent sequences of a…

Concentration or quantity that is derived from the smallest measure that can be detected with reasonable certainty for a given analytical procedure.

Sensitive method for detection of bacterial endotoxins and endotoxin-like substances that depends on the in vitro gelation of Limulus amebocyte lysat…

An index for monitoring the accumulation of lipids based on the WAIST CIRCUMFERENCE measurement and the level of TRIGLYCERIDES circulating in the blo…

Obtaining material for pathological examination and analysis, from bodily fluids. Material retrieved includes CELL-FREE NUCLEIC ACIDS; CELL-DERIVED M…

A microanalytical technique combining mass spectrometry and liquid chromatography for the qualitative as well as quantitative determinations of compo…

Miniaturized methods of liquid-liquid extraction.

The removal of a soluble component from a liquid mixture by contact with a second liquid, immiscible with the carrier liquid, in which the component …

Low-grade proteinuria used as a ClinicalGraph target concept for lab_medicine / lab_finding.

Techniques used for determining the values of photometric parameters of light resulting from LUMINESCENCE.

Measure of histocompatibility at the HL-A locus. Peripheral blood lymphocytes from two individuals are mixed together in tissue culture for several d…

Increased cerebrospinal fluid leukocytes with lymphocyte predominance.

Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical…

The measurement of various aspects of MAGNETIC FIELDS.

Cytologically malignant cells identified in pleural, peritoneal, pericardial, or another body fluid.

An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers.

The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, dur…

Analysis of the level of specific BIOMARKERS in a pregnant woman's sera to identify those at risk for PREGNANCY COMPLICATIONS or BIRTH DEFECTS.

Evaluation of mechanical properties of material or a device.

Volume of biological fluid completely cleared of drug metabolites as measured in unit time. Elimination occurs as a result of metabolic processes in …

Methods and techniques used to genetically modify cells' biosynthetic product output and develop conditions for growing the cells as BIOREACTORS.

A measurement of OXYGEN uptake in a sitting, resting person (resting oxygen consumption), varying with age, sex, race, and other factors. In normal a…