Guide to Hormone Blood Tests

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  4. Guide to Hormone Blood Tests
  1. Thyroid Hormones
    • The patient should prefer fasting.
    • It is better to do sampling in the morning.
  2. Ferritin test
    • The patient should prefer fasting
    • It is better to do sampling in the morning
    • Serum ferritin is not very reliable when the patient is being treated.
  3. Cortisol test
    • The patient should prefer fasting.
    • The sampling time is important if the doctor does not specify a specific time is the best 8 o'clock in the morning.
    • Must be in the laboratory half an hour before the test.
    • The patient should have the least amount of stress and excitement on the day of the test.
    • Caffeine intake within 3 hours can affect the test response.
  4. Vit D3 -25 (OH) D test
    • The patient should prefer fasting.
    • It is best to avoid taking vitamin D pill, 24 hours before the test.
    • Corticosteroids, cholesterol-lowering drugs such as cholestyranine and barbiturates and phenytoin can reduce vitamin D levels.
  5. DHEA & Testosterone test
    • The patient should prefer fasting.
    • Sampling should be done early in the morning.
  6. PSA test
    • The patient should prefer fasting.
    • No sample should be taken one week before prostate examination or prostate biopsy.
    • A rectal exam or colonoscopy should not be performed a week before the test.
    • Do not have intercourse, 48 hours prior to testing.
    • Do not take bike cycling, 48 hours prior to testing.
  7. Growth Hormone test
    • The patient should prefer fasting.
    • Samples are taken at specified times by the laboratory.
    • The patient should be completely relaxed during the sampling and is not allowed to leave the laboratory. It is not allowed to eat and drink and chew gum other than drinking water.
  1. FSH & LH test
    • The patient should prefer fasting.
    • For women, it is often the case that the Physician asked for sample collecting on the specific date of menstrual cycle.
    • Preferably, do not take any multivitamin or supplement 12 hours prior to sampling.
    • It is necessary to interpret the result by considering the menstrual history.
  2. Progesterone & Estradiol test
    • The patient should prefer fasting.
    • In women, the first day of the last menstrual period (LMP) should be indicated.
    • Pregnant women should specify the time of pregnancy.
    • The use of hormonal drugs such as clomiphene has an impact on the test result.
  3. 17 Hydroxyprogesterone test
    • The patient should prefer fasting.
    • The best serum sample is the early morning sample.
    • Do not take any steroid hormone in the urine sample at least 48 hours before sampling.
  4. Prolactin Test
    • The patient should prefer fasting.
    • Wear comfortable clothing 24 hours before testing. Do not wear tight, tight clothing in the chest or breast area.
    • You should refrain from sexual intercourse 24 hours prior to the test.
    • Avoid any breast examination 24 hours prior to the test.
    • Stress, exercise, pregnancy and a high protein diet can all affect the test result.
    • Sample should be taken, 4-3 hours after waking up.
  5. PTH test
    • It requires 12 hours of fasting for this test.
    • The best examples are those taken in the early hours of the morning.
    • The patient should be notified the Lab if he/she has worked overnight before.
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