Feedback
Sodium, Urine
0020851
Ordering Recommendation
Mnemonic
U NA
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
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
24-hour urine with no additive. Refrigerate during collection. Also acceptable: Random urine.  
Specimen Preparation
Transport 1 mL aliquot of urine from a well-mixed collection. (Min: 0.2 mL) Record total volume and collection time interval on transport tube and test request form.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
pH adjusted urine specimens.  
Remarks
 
Stability
Ambient: 8 hours; Refrigerated: 1 week; Frozen: 3 months  
Reference Interval
Test Number
Component
Reference Interval
Sodium, Urine51-286 mmol/d
0020473Creatinine, 24-Hour Urine
Age
Male
Female
3-8 years140-700 mg/d140-700 mg/d
9-12 years300-1300 mg/d300-1300 mg/d
13-17 years500-2300 mg/d400-1600 mg/d
18-50 years1000-2500 mg/d700-1600 mg/d
51-80 years800-2100 mg/d500-1400 mg/d
81 years and older600-2000 mg/d400-1300 mg/d


Interpretive Data


Note
CPT Code(s)
84300
Components
Component Test Code*Component Chart NameLOINC
0020201Sodium, Urine - per volume21525-1
0020207Creatinine, Urine - per volume2161-8
0020208Creatinine, Urine - per 24h2162-6
0020601Sodium, Urine - per 24h2956-1
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
  • Electrolytes, Urine
  • Lytes, Urine
  • Na
  • Na Urine
  • Na+ Urine
  • Urine Na
  • Urine sodium