PRACTICAL POINTS FOR COLLECTING BLOOD,
URINE AND STOOL SAMPLES IN
URINE SAMPLE COLLECTION
- Urine should be collected in a sterile plastic or glass bottle.
- The bottle can be sterilized by washing it with soap & water and then by boiling it
in water for 10 minutes.
- Urine sample should be mid-stream i.e. the initial small quantity of urine should be
discarded and the remaining sample to be collected in the sterile bottle.
- First or second urine sample should be collected.
- Urine sample collected should be delivered to the laboratory within 1 hour of
collection. If the time exceeds then the bottle should be kept in a bag containing ice
cubes until delivered.
- Urine for fasting sugar should be collected in fasting condition.
STOOL SAMPLE COLLECTION
- Stool sample for microscopic examination should be collected in a sterile wide mouth
plastic or glass bottle.
- Patient need not be fasting as stool sample can be collected at any time of the day.
- Sample in the case of diarrhea should be delivered as soon as possible.
- The quantity of the sample need not be in excess.
BLOOD SAMPLE COLLECTION IN CHILDREN
- For infants, the blood for analysis should be collected prior to feed, as milky & turbid serum interferes with certain testing.
- Serum should be stored or preserved by separating it after the blood clots and is kept
in a sterile tube, bottle, which should be kept in deep freeze until delivered to the lab.
- Blood for CBC and sugar examination to be delivered to the lab immediately after
- Fasting sample in children is usually not required unless specially asked for (fasting
blood sugar, triglycerides etc).
Last updated on 8-12-2000