Ordering Recommendation
Mnemonic
K
Methodology

Quantitative Ion-Selective Electrode

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation

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

Collect

Plasma separator tube or serum separator tube.

Specimen Preparation

Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Urine (refer to Potassium, Urine, ARUP test code 0020849). Specimens collected in citrate, EDTA, potassium oxalate, or sodium fluoride. Hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 6 months

Reference Interval

0-7 days: 3.2-5.5 mmol/L
8 days-1 month: 3.4-6.0 mmol/L
2-6 months: 3.5-5.6 mmol/L
7-11 months: 3.5-6.1 mmol/L
1 year and older: 3.3-5.0 mmol/L

Interpretive Data



No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

84132

Components
Component Test Code* Component Chart Name LOINC
0020002 Potassium, Serum or Plasma 2823-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • blood potassium
  • K blood level
  • K blood test
  • K bood concentration
  • potassium blood
Potassium, Plasma or Serum