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Laboratory tests Precautions

Lipids :

Fasting for 12 hours.

Sedimentation Rate :

Fasting 6-8 hours (preferable).

Fasting Blood Sugar :

Fasting 6 - 8 hours.

PostPrandial Blood Sugar:

Consume meal and take medication (if any) in 10 minutes. Absolute fast for 2 hours from start of the meal. Arrive at the lab 15 minutes ahead of schedule.

Urine for Pregnancy :

first morning urine (preferable), provided there was no fluid consumption the night before. If result is Negative, pregnancy test in blood is suggested as it is more sensitive.

Urine Culture :

Refrain from antibiotics for at least 48 hours before test. Wash hands and genitals well with warm water & soap. Disinfect urine outlet with Dettol. Wash disinfectant away with water only. Urinate first drop into toilet bowl then remainder in the sterilized jar provided. In case urine sample is sent, make sure it arrives to the lab within two hours.

24 hr Urine collection :

Discard the first urine and record the time. Following this and through to the next day, collect each drop of urine for 24 hours. Keep urine refrigerated.

Semen Analysis :

Total abstention from intercourse or masturbation for 3 consecutive days. Sample must be given in the lab, ensuring that the first drop of semen is placed in the specified bottle.

Prostate & Uretheral discharge :

Refrain from antibiotics for at least 48 hours before the test. Urine must be retained one hour prior to the test.

Stool Culture :

Refrain from antibiotics for at least 48 hours before test. Sample must be arrived to the lab within 2 hours.

Invisible blood in stool (Occult blood) :

48 hours before the test, patient must refrain from consuming all kinds of meat, turnips, medication for rheumatism, any medication containing Aspirin, Vitamin C, Cortisone or Lead as well as any laxatives.

Iron :

Fast for 6-8 hours preferable. Visit the lab in prior to start of iron treatment or blood transfusion.