Health Library

Information on Health Conditions and Treatments

Welcome to the Scripps health information library. It’s part of our commitment to partnering with you for lifelong wellness.

Here you can read articles on hundreds of health conditions and wellness topics, complete with medical illustrations and links to related symptoms, procedures and conditions.

Visit the library content using the tools below.

  • Test

    17-hydroxycorticosteroid urine test

    The 17-hydroxycorticosteroid (17-OHCS) test measures the level of 17-OHCS in the urine.

  • Test

    17-Ketosteroids urine test

    A "clean-catch" urine sample is performed by collecting the sample of urine in midstream. Men or boys should wipe clean the head of the penis. Women or girls need to wash the area between the lips of the vagina with soapy water and rinse well. A small amount of urine should initially fall into the toilet bowl before it is collected (this clears the urethra of contaminants). Then, in a clean container, catch about 1 to 2 ounces of urine and remove the container from the urine stream. The container is then given to the health care provider.

    17-ketosteroids are substances that form when the body breaks down male steroid sex hormones called androgens and other hormones released by the adrenal...

  • Test

    17-OH progesterone

    17-OH progesterone is a blood test that measures the amount of 17-OH progesterone. This is a hormone produced by the and sex glands.

  • Special Topics

    20 healthy snacks with 100 calories or less

    Snacks are small, quick mini-meals. They include fruits, vegetables, nuts, and crackers. Snacks are eaten between meals and help keep you full. Healthy...

  • Test

    24-hour urinary aldosterone excretion test

    The 24-hour urinary aldosterone excretion test measures the amount of aldosterone removed in the urine in a day. Aldosterone can also be measured with a .

  • Test

    24-hour urine copper test

    The copper urine test is performed by collecting urine at specific times for a 24-hour period.  The urine is tested for the amount of copper present.  The copper urine test is used to determine the presence of Wilson disease, a sometimes fatal condition in which the buildup of excess copper damages the liver, and eventually the kidneys, eyes and brain.

    The 24-hour urine copper test measures the amount of copper in a urine sample.

  • Test

    24-hour urine protein

    24-hour urine protein measures the amount of protein released in urine over a 24-hour period. See also:

  • Test

    25-hydroxy vitamin D test

    Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

    The 25-hydroxy vitamin D test is the most accurate way to measure how much vitamin D is in your body. In the kidney, 25-hydroxy vitamin D changes into an...

  • Test

    5'-nucleotidase

    Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

    5’-nucleotidase (5’-NT) is a protein produced by the liver. A test can be done to measure the amount of this protein in your blood.

  • Test

    5-HIAA

    5-HIAA is a urine test that measures the amount of 5-hydroxyindoleacetic acid (5-HIAA) — a breakdown product of a hormone called serotonin. This test tells...