Potassium, Urine
0020849
Ordering Recommendation
 
Mnemonic
U 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.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
24-hour or random urine without additives. Refrigerate during collection.  
Specimen Preparation
Transfer a 1 mL aliquot of urine from a well-mixed collection to an ARUP Standard Transport Tube. (Min: 0.2 mL) Record total volume and collection time interval on transport tube and test request form.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
  
Remarks
  
Stability
Ambient: 24 hours; Refrigerated: 2 weeks; Frozen: 3 months  
Reference Interval
 
 
Test Number Components Reference Interval
 Potassium, Urine 25-​125 mmol/d
 Creatinine, Urine -​ per 24h  
 
Age Male Female
3-​8 years 140-​700 mg/d 140-​700 mg/d
9-​12 years 300-​1300 mg/d 300-​1300 mg/d
13-​17 years 500-​2300 mg/d 400-​1600 mg/d
18-​50 years 1000-​2500 mg/d 700-​1600 mg/d
51-​80 years 800-​2100 mg/d 500-​1400 mg/d
81 years and older 600-​2000 mg/d 400-​1300 mg/d
Interpretive Data
 
Note
Reference interval for random urine has not been established.
CPT Code(s)
84133
Components
Component Test Code*Component Chart NameLOINC
0020202Potassium, Urine - per volume21476-7
0020207Creatinine, Urine - per volume20624-3
0020208Creatinine, Urine - per 24h2162-6
0020602Potassium, Urine - per 24h2829-0
0097110Total Volume19153-6
0097111Hours Collected30211-7
* 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
  • K Urine
  • urine potassium