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Urea Clearance
2005207
Ordering Recommendation
Mnemonic
UNCL
Methodology
Quantitative Spectrophotometry
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 (refrigerate during collection). AND Plasma Separator Tube (PST) or Serum Separator Tube (SST), collected within 48 hours of initiating urine collection. 
Specimen Preparation
Transfer one 3 mL aliquot of urine from a well-mixed 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) AND transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Random urine collections. 
Remarks
Record total volume and collection time interval on transport tube and test request form. 
Stability
Ambient: 48 hours; Refrigerated: 5 days; Frozen: 1 month 
Reference Interval
Effective July 18, 2011

64-99 mL/min
Interpretive Data


Components
Component Test Code*Component Chart NameLOINC
0020216Urine Urea Nitrogen - mg/dL12967-6
0097110Total Volume19153-6
0097111Hours Collected30211-7
2005208Urea Clearance51735-9
2005209Urea, Serum3094-0
* 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
  • renal urea clearance
  • Urea clearance, Urine
  • urea excretion
  • Urea Nitrogen Clearance