Test Preparation
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Popular Preparations
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Preparation
- Blood extraction performed exactly 1 hours after a full meal
What to Bring?
- Doctor’s lab request form
Notes
- Coordinate closely with laboratory personnel regarding exact collection time.
Preparation
- Blood extraction performed exactly 2 hours after a full meal
What to Bring?
- Doctor’s lab request form
Notes
- Accurately note the time of meal completion for proper timing.
Preparation
- Do not take Biotin (Vitamin B7) for 8 hours prior to extraction
- Blood extraction should be performed between 7:00 AM and 10:00 AM unless specified otherwise by clinician
What to Bring?
- Doctor’s lab request form
Notes
- Strict morning schedule required due to diurnal variation.
Preparation
- Avoid fatty meals prior to blood collection
What to Bring?
- Doctor’s lab request form
Notes
- High lipid intake can interfere with optical clot detection instruments.
Preparation
- Do not take Biotin (Vitamin B7) for 8 hours prior to extraction
What to Bring?
- Doctor’s lab request form
Notes
- TRAB testing cannot be performed for patients undergoing sodium heparin therapy.
Preparation
- Full bladder prior to the CT Scan procedure
What to Bring?
- Previous CT Scan result and film or CD for comparison with your current examination
Notes
- Do not urinate immediately prior to the imaging procedure.
Preparation
- Full bladder prior to the CT Scan procedure
What to Bring?
- Previous CT Scan result and film or CD for comparison with your current examination
Notes
- Ensure adequate fluid intake prior to arrival to maintain full bladder capacity.
Preparation
- At least 6 hours fasting (water intake is allowed)
What to Bring?
- Previous CT Scan result and film or CD for comparison with your current examination
Notes
- Water intake is permitted during the fasting window.
Preparation
- At least 6 hours fasting (water intake is allowed)
What to Bring?
- Previous CT Scan result and film or CD for comparison with your current examination
Notes
- Bring prior diagnostic CDs or hard films for comparative analysis.
Preparation
- Must have a NORMAL Creatinine result (validity within 2 weeks prior to CT Scan procedure)
- At least 6 hours fasting (water intake is allowed)
- If patient is diabetic, stop medications 2 days before CT Scan procedure
What to Bring?
- Valid Creatinine laboratory result
- Previous CT Scan result and film or CD for comparison with your current examination
Notes
- Diabetic patients must coordinate medication adjustment directly with their attending physician prior to stopping treatment.
Preparation
- Fasting for 6 to 8 hours prior to blood extraction
- Fasting for 10 hours if requested together with a Lipid Profile
What to Bring?
- Doctor’s lab request form
Notes
- Samples received before 11:00 AM are released by 4:00 PM same day.
Preparation
- Fasting for 8 to 12 hours prior to blood draw
- Do not take Biotin (Vitamin B7) for 8 hours prior to extraction
- Plain water intake is acceptable
What to Bring?
- Doctor’s lab request form
Notes
- Biotin supplements interfere with assay accuracy.
Preparation
- At least 4 hours fasting prior to blood collection
What to Bring?
- Doctor’s lab request form
Notes
- STAT processing option available with results within 2 hours.
Preparation
- Fasting for 10 to 12 hours prior to blood extraction
What to Bring?
- Doctor’s lab request form
Notes
- Avoid heavy or high-fat meals on the evening prior to fasting.
Preparation
- Blood drawn 12 hours after last lithium administration unless requested otherwise by referring physician
What to Bring?
- Doctor’s lab request form
Notes
- Confirm exact dose timing with lab staff.
Preparation
- Do not schedule your mammogram the week before your menstrual period
- Best timing is one week following your period
- Do not wear deodorant, talcum powder, “tawas”, or lotion under your arms or on your breasts on the day of exam
What to Bring?
- Previous Mammogram result and film or CD for comparison with your current examination
Notes
- Deodorants, powders, and lotions can create false calcium spot artifacts on mammogram images. Always inform your doctor or technologist if there is any possibility of pregnancy. Describe any breast symptoms or concerns to the technologist.
Preparation
- Fasting for 6 to 8 hours prior to test
- Fasting for 10 hours if requested together with a Lipid Profile
What to Bring?
- Doctor’s lab request form
Notes
- Glucose load will be administered on-site by laboratory staff following initial fasting blood collection.
Preparation
- Blood extraction should be scheduled 3 to 4 hours after waking up
What to Bring?
- Doctor’s lab request form
Notes
- Timing avoids physiological wakefulness spikes.
Preparation
- Non-fasting procedure
What to Bring?
- Doctor’s lab request form
Notes
- No specific fasting or dietary restrictions required.
Preparation
- Collect stool sample in a dry, clean, leak-proof container
- Ensure no urine, water, soil, cotton, tissue, or Q-tips contaminate the sample
What to Bring?
- Clean labeled stool container
- Doctor’s lab request form
Notes
- Contamination with toilet water or urine invalidates testing.
Preparation
- Collect first morning urine or random mid-stream clean-catch urine sample
What to Bring?
- Clean urine specimen container
- Doctor’s lab request form
Notes
- Follow clean-catch instructions to avoid contamination.
Preparation
- Rinse mouth and gargle with water prior to collection
- Do not brush teeth prior to collection
- Take a deep breath and produce a deep cough (good quality sputum should not contain saliva)
- Label container with patient’s complete name, date, and time of collection
What to Bring?
- Sterile labeled sputum container
- Doctor’s lab request form
Notes
- Saliva contamination will cause sample rejection.
Preparation
- Levels drawn before next oral dose with patient at steady state
- Record exact dosage taken, date, and time of last intake prior to sample collection
What to Bring?
- Doctor’s lab request form
- Medication intake record
Notes
- Monitoring trough concentrations ensures therapeutic safety.
Preparation
- Wear comfortable clothes and shoes
- You may have light meals up to 2 hours before the procedure
- Avoid caffeinated drinks
- If you take medications such as Metoprolol, Carvedilol, Bisoprolol, or Atenolol, do not take them on the day before undergoing the test
What to Bring?
- Physician request forms
Notes
- Be punctual. If you are not at the clinic 15 minutes after your scheduled time, your slot will be given to the next patient.
Preparation
- At least 6 hours fasting (water intake is allowed)
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Avoid consuming food or non-water beverages prior to the exam.
Preparation
- At least 6 hours fasting (water intake is allowed)
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Water intake is allowed during fasting.
Preparation
- Full bladder prior to the Ultrasound procedure
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Maintain a full bladder until the technologist completes the scan.
Preparation
- At least 6 hours fasting (water intake is allowed)
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Fast for a minimum of 6 hours prior to sample image capture.
Preparation
- Full bladder prior to the Ultrasound procedure
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Drink sufficient water before the exam and refrain from voiding.
Preparation
- At least 6 hours fasting (water intake is allowed)
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Fasting prevents bowel gas interference during imaging.
Preparation
- At least 6 hours fasting (water intake is allowed)
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Plain water intake is permitted during the fasting period.
Preparation
- At least 6 hours fasting (water intake is allowed)
- Full bladder prior to the Ultrasound of the Lower Abdomen procedure
What to Bring?
- Previous Ultrasound result and film for comparison with your current examination
Notes
- Ensure strict adherence to fasting and bladder filling prior to arrival.
Preparation
- Collect first morning urine or random mid-stream clean-catch urine sample
- Label container with patient’s complete name, date, and time of collection
What to Bring?
- Sterile labeled urine container
- Doctor’s lab request form
Notes
- Turnaround time for culture results is 5 to 7 days.