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510

Test #

Disaccharidases Activity Panel

Test CPT Codes

82657 x4

Test Type

Colorimetric Enzyme Activity Assay

Test Disease

Gastrointestinal dysfunction, lactose intolerance

Test Technology

Quantitative Spectrophotometry

Clinical Utility

Diagnostic, Prognostic

Test Specimen

Biopsy:

  • Biopsies of small intestine tissue – two x 5 mg intestinal/duodenal biopsy in a polypropylene tube 

Rejection Criteria:

  • Specimens sent in formaldehyde, saline, or any supportive media

  • Specimens wrapped in gauze, filter paper, foil, or on a swab/toothpick

  • Any sample delivered unfrozen, room temperature, or refrigerated

  • Tissue specimens that have an abnormal brown color (indicative of not being frozen quickly) may be processed & resulted with a disclaimer on the report.

Storage, Stability & Shipping

Snap freeze immediately and keep frozen


Storage and Stability:

  • 80°C ± 10°C = Stable for 2 years

Shipping:

  • Ship on dry ice, packed with enough to last 48 hours

  • Ship overnight

Turnaround Time

72 Hours

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