Patient Preparation

Patient should avoid exercise of arm or hand before and during collection.

Collect

Acceptable: Serum Separator Tube (SST) or Plasma Separator Tube (PST)
 
Gold - Clot activator/SST gel
OR
Red/Gray - Clot activator/SST gel
OR
Light Green - Lithium Heparin/PST gel  Preferred 

Pediatric Collection

Acceptable: Serum Separator Tube (SST) or Plasma Separator Tube (PST)

Gold - Clot activator/SST gel
OR
Gold - Clot activator/SST gel (amber)
OR
Mint Green - Lithium Heparin/PST gel  Preferred 
OR
Mint Green - Lithium Heparin/PST gel (amber)

Specimen Preparation

  • Allow serum tube to clot at room temperature for a minimum of 20 minutes.
  • Separate serum or plasma from cells within 2 hours of collection. (Min: 0.3 mL)
 

Unacceptable Conditions

  • For urine (refer to Potassium, Urine).
  • Specimens collected in citrate, EDTA, potassium oxalate, or sodium fluoride.
  • Hemolyzed specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: 
 
Ambient 7  Days 
Refrigerated 7 Days 
Frozen (-20°C) 1 Year

Cerner Orderable(s)

Potassium Level

Other Cerner Orders:
  • Electrolytes 
  • BMP (Panel)
  • CMP (Panel)
  • Renal Function Panel

Performed

  1. Morton Plant Hospital 
  2. St. Joseph’s Hospital
  3. St. Anthony’s Hospital 
  4. Mease Countryside Hospital 
  5. Mease Dunedin Hospital 
  6. St. Joseph’s South Hospital
  7. St. Joseph’s North Hospital
  8. Winter Haven Hospital
  9. Morton Plant North Bay Hospital 
  10. South Florida Baptist Hospital
  11. Bartow Regional Medical Center
  12. Bardmoor Emergency Center 
  13. BayCare Hospital Wesley Chapel 

24/7

Methodology

Ion-selective electrode diluted (Indirect)

Reported

Within 24 hours

Synonyms

  • blood potassium
  • K blood level
  • K blood test
  • K bood concentration
  • potassium blood
  • Electrolytes

Reference Interval

Normal reference interval: 3.5 - 5.1 mmol/L

CPT Codes

84132
Collection

Patient Preparation

Patient should avoid exercise of arm or hand before and during collection.

Collect

Acceptable: Serum Separator Tube (SST) or Plasma Separator Tube (PST)
 
Gold - Clot activator/SST gel
OR
Red/Gray - Clot activator/SST gel
OR
Light Green - Lithium Heparin/PST gel  Preferred 

Pediatric Collection

Acceptable: Serum Separator Tube (SST) or Plasma Separator Tube (PST)

Gold - Clot activator/SST gel
OR
Gold - Clot activator/SST gel (amber)
OR
Mint Green - Lithium Heparin/PST gel  Preferred 
OR
Mint Green - Lithium Heparin/PST gel (amber)

Specimen Preparation

  • Allow serum tube to clot at room temperature for a minimum of 20 minutes.
  • Separate serum or plasma from cells within 2 hours of collection. (Min: 0.3 mL)
 

Unacceptable Conditions

  • For urine (refer to Potassium, Urine).
  • Specimens collected in citrate, EDTA, potassium oxalate, or sodium fluoride.
  • Hemolyzed specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: 
 
Ambient 7  Days 
Refrigerated 7 Days 
Frozen (-20°C) 1 Year
Ordering

Cerner Orderable(s)

Potassium Level

Other Cerner Orders:
  • Electrolytes 
  • BMP (Panel)
  • CMP (Panel)
  • Renal Function Panel

Performed

  1. Morton Plant Hospital 
  2. St. Joseph’s Hospital
  3. St. Anthony’s Hospital 
  4. Mease Countryside Hospital 
  5. Mease Dunedin Hospital 
  6. St. Joseph’s South Hospital
  7. St. Joseph’s North Hospital
  8. Winter Haven Hospital
  9. Morton Plant North Bay Hospital 
  10. South Florida Baptist Hospital
  11. Bartow Regional Medical Center
  12. Bardmoor Emergency Center 
  13. BayCare Hospital Wesley Chapel 

24/7

Methodology

Ion-selective electrode diluted (Indirect)

Reported

Within 24 hours

Synonyms

  • blood potassium
  • K blood level
  • K blood test
  • K bood concentration
  • potassium blood
  • Electrolytes
Result Interpretation

Reference Interval

Normal reference interval: 3.5 - 5.1 mmol/L
Administrative

CPT Codes

84132

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