Ammonium Chloride Load Test (DISCONTINUED) | KK Women's and Children's Hospital

Specimen Container	Wide mouth sterile container Lithium heparin syringe (To be obtained from DPLM Reception, after office hour call extension 1383)
Specimen Requirement	3mL blood and Urine Call 6321 4920 or 6321 4948 for appointment. Important: See additional info for collection of urine and blood specimen.
Specimen Storage/Transport	Specimens must reach SGH lab by 11.30am on appointment day. Please send specimens before transportation time. Transport will leave for SGH at the following timing: Mon-Fri: 0900hr & 1500hr Additional transport time for urgent specimens only: 11am Sat: 0900hr & 1100hr
Orderable as Urgent?	No
Turn Around Time	1 day
Testing Laboratory Location	SGH
Laboratory	Biochemistry
Contact Number	6394 1352
Day and Time Performed	Mon – Fri: 0800 hrs– 1700 hrs
Orderable on CPOE?	Yes
Downtime Form	Document Title
Additional Information	1. Fasting is optional. Patient may have 1 or 2 slices of bread with butter and coffee with milk and sugar. 2. At 6am, give 0.1g ammonium chloride/kg body weight orally in orange juice. 3. At 8am, empty bladder and discard urine. Drink 1 glass of water. 4. Collect all urine passed up to 9am. Send immediately to lab. 5. At 9am, give another glass of water to drink .Take 1 specimen of 3mL herparinised blood in syringe for blood gas analysis. Send immediately. 6. Collect all urine passed up to 10am, and send urine specimen to lab immediately. BC0019

Change History Notes

Last Updated - 27 Jun 2025