Professional Consultants

DONNA F. SMITH, C.C.N., C.N.
Licensed, Board Certified
Clinical Nutritionist

WILLIAM H. BRELAND, P.T., S.C.S.
Physical Therapist
Board Certified Sports Specialist

ROBERT J. WOLFF, D.C.
Chiropractor

T. ROGER HUMPHREY, M.D.
Physician

Advanced Clinical Nutrition
Wichita Falls, Tx
76309-3119
Office (940) 761-4045
Fax (940) 761-2881
E-Mail: wsnqas@aol.com


The information and services provided are for nutritional support, and not for the treatment of any medical condition or disease. By using this web site, you understand and abide by this disclaimer.

Copyright 1999
Donna F. Smith

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Preparing For Laboratory Testing

Print a copy of the following laboratory preparation instructions and follow the instructions carefully.
1. Fast for 14 hours. The most convenient way to fast is to eat and drink nothing after supper the night before except water. Then the day of your lab tests have no water or food upon rising until lab tests are done.
2. Alcohol ingestion within 24 hours will interfere with the accuracy of cholesterol, triglycerides, GGPT and CPK.
3. Increased strenuous exercise performed within 24 hours will interfere with the accuracy of the CPK. CPK is not part of DirectLab's Comprehensive Wellness Profile.
4. If Magnesium is to be tested, do not take Epsom salts (magnesium sulfate) or Milk of Magnesia for at least three (3) days before blood sample is drawn. Magnesium is not part of DirectLab's Comprehensive Wellness Profile.
5. Drugs will interfere with the accuracy of most blood tests. If at all possible, refrain from taking medications during the 14 hour overnight fast. Any drugs taken regularly or any taken during the fasting period should be indicated and noted on your files with our office for consideration when interpreting the results.
6. Many physicians and laboratories do not enforce these restrictions. We recommend that they be adhered to so that the testing results will be as accurate as possible. Re-testing evaluations or comparison tests will be more valid when the same procedures are followed each time.
7. If you are using DirectLab, follow these instructions for fasting and preparing for your laboratory testing, and ignore the instructions in the DirectLab FAQs.