Test Code GPUT Galactose-1-Phosphate Uridyl Transferase
Additional Codes
| Epic Ordering Code | LAB3040641 |
| NBS code | LBC12410 |
| Service code | 31936 |
Specimen Requirements
Submit the following immediately:
Preferred: Green Top (Lithium Heparin)
Place specimen in ice and send to laboratory immediately.
Processing Requirements
Specimen Type: Whole Blood
Volume: 2 mL
Storage/transport requirements: Refrigerated
Specimen Stability
| Specimen Type | Whole Blood |
|---|---|
| Ambient | Not available |
| Refrigerate | 2 days (Preferred) |
| Frozen | Not available |
Methodology
Fluorometric
Days and Times Performed
Monday through Friday, TAT 5 - 14 days
Reference Interval
Reference interval will be provided on the report
Useful For
Monitoring dietary therapy of patients with galactosemia due to deficiency of galactose-1-phosphate uridyltransferase or uridine diphosphate galactose-4-epimerase
Update
Last updated 08/04/2026
Referring / Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Testing Laboratory
Biochemical Genetics Laboratory
Basement 1, Children’s Tower
KK Women’s and Children’s Hospital Pte Ltd
100, Bukit Timah Road
Singapore 229899
Tel: 63948728