Potassium, Plasma

What it measures

• PotassiumLOINC 2823-3

Specimen

Specimen

1 mL plasma collected in a lithium heparin (green-top) tube

Minimum volume

0.5 mL

Also accepted

Sodium heparin (green-top) tube

Container

Transport tube

Temperature

Room temperature

Separate plasma from cells promptly

Billing

CPT 84132