Children's Mercy Hospitals and Clinics
Name
Potassium, Whole Blood

CMH Lab Section
Chemistry

Specimen Requirements
0.3 mL blood in heparinized syringe or 2 mL blood in a green top (sodium heparin) tube

Availability
Stat, Urgent, Routine

Turn Around Time
15 minutes

Methodology
Radiometer ABL

Ranges
Age Dependent
0-3mos: 3.5-6.2 mmol/L
>3mos = 3.5-5.2 mmol/L

Critical Values
0-3mos hemolyzed & non-hemolyzed: <3.0 mmol/L or >7.0 mmol/L
>3mos non-hemolyzed: <3.0 mmol/L or >6.5 mmol/L
>3mos hemolyzed: <3.0 mmol/L or >7.0 mmol/L

Copyright © 1996-2014 The Children's Mercy Hospital