One of the most important factors in determining the accuracy and reliability of your lab test is you, THE PATIENT. After all, it is a sample from your body (blood, urine, or some other specimen), on which the test will be performed. Therefore, it is essential that you do the following to ensure that the results will be useful and interpreted correctly by your doctor:It should be noted that many tests require no special preparation. But for those that do, be certain to adhere to the instructions provided.
Patient should fast for 12 hours before blood collection. Fasting should be no food or drink except for water.
Fasting blood sugar (FBS): For a fasting blood sugar test, do not eat or drink anything other than water for at least 8 hours before the blood sample is taken. If you have diabetes, your doctor may ask you to wait until you have had your blood collected before taking your morning dose of insulin or diabetes medicine
2-hour Postprandial (post lunch) blood sugar: For a 2-hour postprandial test, you need to have your blood collected exactly 2 hours after a regular lunch. e.g. If Mr. Shah has started his lunch at 12.00 noon he needs to complete his blood collection at 2.00 pm. Mr. Shah will require to reach the lab at 1.50 pm, i.e. 10 minutes early to avoid registration delays. Also Mr. Shah cannot have any food between 12.00 noon and 2.00 p.m. time period. He can have water and his usual medicines.
Random blood sugar (RBS): No special preparation is required before having a random blood sugar test.
Patient should be fasting for 8 hours (no food or drink, except for water). A fasting blood specimen will be drawn and tested. You will then be given a glass of glucose drink. Your blood will be drawn once each hour or each half hour after you finish the drink. The number of hours may vary from 2 to 4.
For our pregnant patients your physician may order glucose tolerance testing during your pregnancy.
50 GRAM 1 HOUR GLUCOSE TOLERANCE TEST (GESTATIONAL DIABETES SCREEN)
100 GRAM 3 HOUR GLUCOSE TOLERANCE TEST (GESTATIONAL DIABETES
URINE FOR ROUTINE URINALYSIS AND/OR CULTURE
The first morning sample is preferable for urine routine test and mandatory for culture test. Obtain a sterile container from the laboratory. Please avoid touching the inside of the container and/or the lid in order to maintain sterility.
24-HOUR URINE SPECIMENS
Do not add anything but urine to the 5 liter can/container and do not pour out any liquid or powder that may already be in the collection container. The collection container should be kept in cool place during collection period.
CONTAINERS: Sterile containers and 24 hr urine containers may be picked up at our lab between the hours of 8am to 8pm.
STOOL FOR OCCULT BLOOD
Diet and drugs may affect results of occult blood testing. Please talk to your physician before making any changes in diet or medications prescribed for you. You will collect a separate sample from three different stools, usually on consecutive days. Each stool specimen should be collected into a clean container and should not be contaminated with urine or water.
STOOL COLLECTION FOR OTHER TESTS
You may be asked to collect a stool specimen for laboratory testing. You may collect this specimen in a clean leak proof container with a tightly fitting lid provided by the lab.
NOTE: Prior to collecting a stool specimen, avoid consuming the following:
These products can interfere with Test Results.
Do not allow Urine or Toilet Water into the container.
Cortisol may be tested in blood or urine.If blood cortisol levels are requested by your physician, you may be asked to have your blood drawn once (random Cortisol) or multiple times. Your physician will inform you if you are having multiple blood draws for your cortisol testing.
Cortisol blood tests may be drawn at about 8 am, when cortisol should be at its peak, and again at about 4pm, when the level should have dropped. Sometimes a resting sample will be obtained late in the evening. If your physician requests a urine cortisol, you will be asked to collect either a 24-hour urine or a single first morning specimen.
A fasting specimen (no food or drink, except for water) for 12- 14 hours before blood is drawn is preferable but not mandatory.
Patient should be fasting (no food or drink, except for water) for 12-14 hours before blood is drawn.
Blood should be drawn 6-8 hours after the last dose of digoxin was taken. Mention the time of drug dose.
Detailed history required along with age, date of birth and recent sonography reports.
No specific preparation required. Age and blood transfusion history if any, should be informed.
14 hours fasting is required, no liquids except water.
For Centromere antibody, Histone antibody, LA antibody(SSB), RO(SSA), scl-70antibody.For all these tests, a prior ANA test findings are essential.
Please note that if you have any questions, you may contact our center.