Sodium, Urine
0020851
Ordering Recommendation
Submit With Order
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.
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, Urine 51-​286 mmol/d
0020473Creatinine, 24-​Hour Urine
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
CPT Code(s)
84300
Components
Component Test Code*Component Chart Name
0020201Sodium, Urine - per volume
0020207Creatinine, Urine - per volume
0020208Creatinine, Urine - per 24h
0020601Sodium, Urine - per 24h
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
  • Electrolytes, Urine
  • Lytes, Urine
  • Na
  • Na Urine
  • Na+ Urine
  • Urine Na
  • Urine sodium