Electrolytes - Blood

Synonym(s)	Sodium/Potassium, Na/K, Lytes
Specimen	4 mL Lithium Heparin (green top) or SST (gold top)
Paediatric Specimen	0.5 mL Brown, yellow, or green top
Add-on conditions	3 days @ 4°C
Test Availability	Mon - Sun, 24 hours
Turnaround Time	Hastings 1 - 2.5 hours / Central HB 6 - 8 hours / Wairoa 12 hours
Where analysed	Hastings
Department	Biochemistry, (06) 878 1308 ext. 2448
Registration Code	PE
Deletion Code	7152
Useful Information	Extended electrolytes registered as PE+PCMP
Measurement Uncertainty	Available upon request