The Leeds Teaching Hospitals NHS Trust

Disaccharidases (lactase, maltase, sucrase)

Measurement of the activity of small bowel mucosal disaccharidase enzymes (lactase, maltase, sucrase) from duodenal or jejunal biopsy tissue. Clinical indication for requesting: investigation of malabsorption due to disaccharidase enzyme deficiency.

ID Tests&Tubes0179
Additional Information Phone lab the day before biopsy to arrange collection of dry ice. Requires minimum of 5 mg tissue from duodenal or jejunal biopsy, snap frozen on dry ice. Please return the dry ice box with sample to the main biochemistry lab, not the sort room.
Turn Around Turnaround time stated by Manchester Royal Infirmary: 2 weeks.
Send to Blood Sciences LGI
(Test referred to: Manchester Royal Infirmary.)
Contact For further details please contact Leeds Pathology customer services:
Advice Full Referred Test details logged internally on the referred test database [BSF2REC17003]
Collection Con Instructions to lab: freeze on dry ice or at -70.
Sample REQ Biopsy tissue
Ref. Range Notes Jejunal maltase 130-456 U/g protein. Jejunal sucrase 30-152 U/g protein. Jejunal lactase 6-55 U/g protein.
Telepath DSAC1R & SA1R
ICE Codes LGI superset LDSAC (DSAC1R & SA1R). SJUH superset JDSAC (DSAC1R & JCHM2L)