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Test Compendium


Test Code

  • 2054

Test Synonym

  • Osmolality, Stool

Minimum Volume

  • 15 mL

Specimen Requirements

  • Liquid Stool


  • Container- Screw Top, Sterile Container


  • Frozen

Turn Around Time

  • 4 days

CPT Codes

  • 84999
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • 15 mL LIQUID STOOL Frozen in a small plastic container

Additional Information

  • Liquid stool, FROZEN Stool sample must be collected without addition of water. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Please freeze in a small plastic container; do NOT use large paint can.

Specimen Stability

  • Stable