Potassium Serum K

Synonyms

Allscripts (AEHR) Order Name

Potassium

Sunrise Clinical Manager (SCM) Order Name

Potassium

Clinical Info

Specimen Type

Blood

Container

Gold Top Tube

Collection Instructions

Submit only 1 of the following specimens:
 
Plasma
Container/Tube:  Mint green-top (lithium heparin gel) plasma gel tube(s)
Specimen:  1 mL of lithium heparin plasma
Transport Temperature:  Refrigerate
Collection Instructions:  Spin down and process promptly to avoid falsely high results.
Note: 1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
 
Serum
Container/Tube:  Gold-top tube(s)
Specimen:  1 mL of serum
Transport Temperature:  Refrigerate
Collection Instructions:  Allow serum to clot for 45 minutes and spin down. If red blood cells remain above the gel layer, place serum in a plastic vial.
Note:  1. Indicate serum on request form.
2. Label specimen appropriately (serum).

Transport Instructions

Refrigerate

Specimen Stability

Methodology

Ion-Selective Electrode (ISE)

Days Performed

Monday through Sunday, Continuously

Performing Laboratory

Northwell Health Laboratories

CPT

84132

PDM

5300040

Result Interpretation

3.5-5.3 mmol/L

Forms