Lab Order Transcription Definitions Flashcards
Amniocentesis
A needle puncture into the uterine cavity to remove amniotic fluid, the liquid that surrounds the fetus.
Antigen
Any substance that induces an immune response.
Antibody
An immunoglobulin (protein) produced by the body that reacts with and neutralizes an antigen (usually a foreign substance).
Biopsy
Tissue removed from a living body for examination.
Clean Catch
A method of obtaining a urine specimen using a special cleansing technique; also called a “midstream urine”.
Culture and Sensitivity
The growth of microorganisms in a special media followed by a test to determine the antibiotic to which they best respond.
Cytology
The study of cells.
Daily Bloodwork
Tests that are ordered by the Physician to be done on a scheduled basis (ex. daily CBC). These tests will continue until D/C’d by the Physician.
Differential
Identification of the types of white blood cells in the blood.
Dipstick Urine
The visual examination of urine using a special chemically treated stick. Also called “routine urinalysis”.
Electrolytes (E4)
A group of chemistry tests which usually includes sodium, potassium, chloride and C02 (bicarbonate, HC03).
Erythrocyte
A red blood cell.
Fasting
No solid foods by mouth and no fluids containing nourishment (ex. sugar or milk).
Lumbar Puncture
A procedure used to remove cerebrospinal fluid from the spinal canal.
Occult Blood
Blood that is undetectable to the eye.
Postprandial
After eating.
Paracentesis
A surgical puncture to remove fluid from a body cavity.
Pathology
The study of body changes caused by disease.
Plasma
The fluid portion of the blood in which the cells are suspended; it contains a clotting factor called fibrinogen.
Random Specimen
A body fluid sample that can be collected at any time.
Serology
The study of blood serum or other body fluids for immune bodies.
Serum
Plasma from which fibrinogen, a clotting factor, has been removed.
Sputum
The mucous secretion from lungs, bronchi, or trachea.
Thoracentesis
A needle puncture into the pleural space in the chest cavity to remove pleural fluid for diagnostic or therapeutic reasons.
Tissue Typing
Identification of tissue types to predict acceptance or rejection of tissue and organ transplants.
Titer
The quantity of substance needed to react with a given amount of another substance - used to detect and quantify antibody levels.
Type and Crossmatch
The patient’s blood is typed, then tested for compatibility with blood from a donor of the same blood type and Rh factor.
Type and Screen
The patient’s blood type and Rh factor are determined, and a general antibody screen is performed.
Urinalysis
The physical, chemical, and microscopic examination of the urine.