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Labcorp Oklahoma, Inc.
Test Directory


Index:

Dialysis Adequacy KT/V, Urine

Order Name KT/V UR
Test Number: 2017225
Revision Date 12/26/2017
Test Name Methodology LOINC Code
Creatinine Clearance Urine 24hr
 
Protein Urine Timed
 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred See Instructions Urine and Serum See Instructions Refrigerated
Alternate 1 See Instructions Urine and Plasma See Instructions Refrigerated
Instructions Collect Both Urine and Serum/Plasma from patient.
10 mL (3.0) Urine and Serum Collect both: 24 hour Urine Container -and- Clot Activator SST -or- Lithium Heparin PST (Light Green Top)
Serum or Plasma is needed for calculations in clearance results. Blood samples can be collected when 24hr urine container is returned. Refrigerate urine during and after collection. Urine can be collected with no preservative or 6 N HCL, Boric Acid and Sodium Carbonate are acceptable preservatives if collecting with another test. Record number of hours and volume in mL on the specimen container. Include height and weight of patient. Specimen stability: Ambient 24 hours. Refrigerated 7 days.
GENERAL INFORMATION
Testing Schedule Assay Dependant 
Expected TAT 2-4 Days  
Clinical Use KT/V is an equation used by nephrologists to determine the adequacy of hemodialysis or peritoneal dialysis
K – dialyzer clearance of urea
T – dialysis time
V – volume of distribution of urea, approximately equal to patient’s total body water 
CPT Code(s) 82575, 84545, 84156
Lab Section Labcorp Oklahoma, Inc. Immunology