Point of Care Testing and Laboratory Procedures terms

37 glossary entries from the Point of Care Testing and Laboratory Procedures topic of the CCMA test plan. Try free Point of Care Testing and Laboratory Procedures practice questions.

• A1CGlycosylated hemoglobin (HbA1c): a blood test reflecting average blood glucose over the past 2 to 3 months.
• ALT, ASTAlanine aminotransferase and aspartate aminotransferase: liver enzymes measured in blood tests.
• BUNBlood urea nitrogen: a blood test of kidney function.
• calibrationTesting and adjusting an instrument so its readings match known standards.
• cholesterolA fatty substance (sterol) needed for cell membranes and hormones; it is part of the plaque that narrows arteries in…
• CK-MBCreatine kinase MB: a heart-muscle enzyme in blood that can indicate heart damage.
• clean-catch midstream specimenA urine sample collected after cleansing, by starting to urinate into the toilet and then catching the middle of the…
• CLIAClinical Laboratory Improvement Amendments: federal rules for all labs testing human specimens; waived tests need a…
• CRPC-reactive protein: a blood test that rises with inflammation.
• ESRErythrocyte sedimentation rate: a blood test that rises with inflammation.
• fasting blood glucoseA blood glucose test done after an overnight fast.
• first morning voidThe first urine passed after waking; it is more concentrated and used for some tests.
• FITFecal immunochemical test: a stool test that detects hidden human blood.
• FOBTFecal occult blood test: checks stool for hidden blood.
• GFRGlomerular filtration rate: how well the kidneys filter blood.
• hCGHuman chorionic gonadotropin: the hormone, made by the placenta, that pregnancy tests detect in urine or blood.
• HCTHematocrit: the percentage of blood volume made up of red cells. As an abbreviation for hydrocortisone it is…
• HDLHigh-density lipoprotein, often called good cholesterol.
• hematocritThe percentage of blood volume made up of red blood cells.
• Hgb, HbHemoglobin: the oxygen-carrying protein in red blood cells, or the test that measures it.
• INRInternational normalized ratio: a standardized way of reporting the prothrombin time.
• LDLLow-density lipoprotein, often called bad cholesterol.
• LFTLiver function tests: a group of blood tests that check the liver.
• MCVMean corpuscular volume: the average size of red blood cells.
• O&POva and parasites: a stool test for parasites and their eggs.
• occult bloodBlood that is hidden and not visible to the eye, as in stool.
• POCTPoint-of-care testing: lab tests done at or near the patient, with fast results.
• PPDPurified protein derivative: the tuberculin used in the TB skin test, placed intradermally.
• PSAProstate-specific antigen: a blood test used to check for prostate disease.
• quality controlRunning control materials of known value with patient tests to confirm the test system is working correctly.
• reference rangeThe typical values expected for a laboratory test.
• specific gravityA measure of urine concentration compared with water.
• sputumMucus and secretions coughed up from the lungs.
• triglyceridesFats (lipids) made of three fatty acid chains attached to glycerol.
• TSHThyroid-stimulating hormone; a blood test for TSH screens thyroid function.
• urinalysisLaboratory analysis of urine to help diagnose disease; it can include a microscopic examination.
• waived testA simple test that CLIA allows with a certificate of waiver because it is cleared for home use, very simple and…