There are four steps involved in obtaining a good quality specimen for testing: (1) preparation of the patient, (2) collection of the specimen, (3) processing the specimen, and (4) storing and/or …

Because proper collection and preservation of 24-hour urine specimens are essential for accurate test results, patients should be carefully instructed in the correct procedure.

For instructions about collecting and preparing your specimen, you need to identify and select your specimen type: View or print complete instruction guide.

Careers Contact Us Specimen Collection Guidelines 24-Hour Urine Collection (English/Spanish)

Aug 24, 2025 · Specimen collection is the process of gathering biological samples from a living organism for analysis. This fundamental procedure allows medical professionals and researchers to obtain …

Jun 16, 2025 · Discover everything about specimen collection, its importance, features and product types. Learn how to streamline the process effectively!

Use the following general guidelines when transporting specimens to the laboratory. Please refer to Alphabetical List of Tests, in this guide for specimen and test specific information.

Mar 10, 2025 · It is important that specimens are properly collected, prepared and preserved. Your help is needed to assure the stability of specimens and the accuracy of test results by using the following …

Explore our comprehensive laboratory guide on specimen collection, detailing procedures for serum sampling, virology, biopsies, and cerebrospinal fluid analysis.

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