Electrolytes, Urine
0020498
Ordering Recommendation
Submit With Order
Mnemonic
ULYTE
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
 
Collect
24-hour or random urine. Refrigerate during collection.  
Specimen Preparation
Do not adjust specimen pH. Transfer a 1 mL aliquot of urine from a well-mixed collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) Record total volume and collection time interval on transport tube and test request form.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
 
Remarks
 
Stability
Ambient: 8 hours; Refrigerated: 1 week; Frozen: 3 months  
Reference Interval
Test Number Components Reference Interval
Sodium, Urine 51-​286 mmol/day
Potassium, Urine 25-​125 mmol/day
Chloride, Urine 140-​250 mmol/day
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 intervals are not established for random urines.
CPT Code(s)
82436; 84133; 84300
Components
Component Test Code*Component Chart Name
0020207Creatinine, Urine - per volume
0020208Creatinine, Urine - per 24h
0020535Sodium, Urine mmol/L - ULYTE
0020536Sodium, Urine mmol/day - ULYTE
0020537Potassium, Urine mmol/L - ULYTE
0020538Potassium, Urine mmol/day - ULYTE
0020539Chloride, Urine mmol/L
0020540Chloride, Urine mmol/day - ULYTE
0097110Total Volume
0097111Hours Collected
* 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.
Cross References
  • Urine electrolytes