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Patient Information: Pre-Test Requirements Note: Patient preparation sheets for most testing procedures are available in English and Spanish at all South Bend Medical Foundation laboratory sites.
Patients often need clarification of the term "fasting" as it relates to laboratory test orders. The South Bend Medical Foundation issues the following instructions to patients who have a fasting test ordered: Your doctor has ordered a laboratory test that requires you to be in a fasting state for the test. "Fasting" means you:
The specimen must not be collected until two months after the vasectomy. There should be no ejaculation for one day prior to the specimen collection, unless the physician specifies otherwise. Ideally the semen specimen should be collected at the testing site or within 30-60 minutes before arriving at the testing site. Maintain the semen specimen at a temperature not less than 75º F and not greater than 95º F. A specimen container taped to the body during transport by patient usually ensures acceptability. A specimen received more than six hours after collection would be a cause for rejection.
You must not have a fever during the three day period preceding collection. There should be no ejaculation for the three day period preceding collection, unless the physician specifies otherwise. Ideally, the semen specimen should be collected at the testing site or within 30-60 minutes before arrival at the testing site. Maintain the semen specimen at a temperaturenot of not less than 75º F and not greater than 95º F. A specimen container taped to the body during transport by patient usually ensures acceptability. A specimen received more than one hour after collection would be a cause for rejection.
There should be no douches for 72 hours prior to the test. Avoid appointments for the collection of specimens during menstruation, periods of active bleeding, or inflammatory episodes.
Avoid contact with the preservative in the container. Do not void directly into the container. Store container in a secure place away from children. To begin collection of timed specimen, urinate noting the date and exact time. Discard this urine, but document the date and time of voiding on the container label and test requisition as the "start" of the timed specimen. Save all of the urine voided during the designated time period, including the portion voided at the exact end of the time period. Document date and time of final voiding on the label and requisition as the "end" of the timed specimen Refrigerate during collection. Upon the completion of the collection, mix the entire specimen well, and measure the 24 hour volume. Pour off 50 mL of urine into a separate plastic screw cap container. Freeze urine aliquot and transport it frozen. Take the urine aliquot with the notation of the entire 24 hour urine volume on the aliquot label and on the requisition to the laboratory.
To begin collection of the timed specimen, urinate noting the date and exact time. Discard this first portion of urine, but document the date and time of voiding on the container label and test requisition as the "start" of the timed specimen. Save all the urine during the designated time period (usually 24 hours). Document the date and time of final voiding on the label and requisition as the "end" of the timed specimen. Refrigerate during and after collection. Upon completion of the collection, mix the entire specimen very well, and measure the 24 hour volume. Pour off 20 mL of the urine into a separate plastic screw cap container. Refrigerate urine aliquot and transport refrigerated. Take the urine aliquot with the notation of the entire 24 hour urine volume on the aliquot and the requisition to the laboratory.
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