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Litholink 24Hr Urine Panel

Order Name Litholink U24
Test Number: 5195179
Revision Date 12/18/2023
Test Name Methodology LOINC Code
Litholink 24Hr Urine Panel
See Test Notes  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 50 mL (of 24-hour urine) Urine, 24-hour Litholink 24 Hour Urine Collection Kit Room Temperature
Instructions Litholink 24 Hour Urine Collection Kit required for specimen collection.
Specimen: 24 hour urine
Volume: 50 mL of 24-hour urine
Container: 24 Hour Urine Container, Litholink 24-hour Collection Kit
Collection: Full 24-hour collection: void and discard first urine and continue to collect for 24-hour period from that void time.
Storage Instructions: Room temperature with preservative-DO NOT refrigerate
GENERAL INFORMATION
Expected TAT 5-9 Days  
Clinical Use Treatment and management of patient population who have Kidney Stone disease 
Performing Labcorp Test Code 911325 
Notes Methodology: Calcium, Magnesium, Creatinine, Oxalate, Citrate, Uric Acid, Urea Nitrogen, Phosphorus ammonium, and cystine screening: Colormetric Sulfate: Tubidity with barium precipitation Sodium, Potassium, Chloride: Fluoride for urine volume - Ion specific electrode pH: Potentiometry.

Labcorp Oklahoma Order Code: 5195179 Litholink 24Hr Urine Panel
Result Code Result Name LOINC
5195180 Cystine, Urine, Qualitative 26843-3
5195181 Urine Volume (Preserved) 3167-4
5195182 Calcium Oxalate Saturation 34736-9
5195183 Calcium, Urine 6874-2
5195184 Oxalate, Urine 2701-1
5195185 Citrate, Urine 6687-8
5195186 Calcium Phosphate Saturation 42673-4
5195187 pH, 24 hr, Urine 27378-9
5195188 Uric Acid Saturation 42678-3
5195189 Uric Acid, Urine 3087-4
5195190 Sodium, Urine 2956-1
5195191 Potassium, Urine 2829-0
5195192 Magnesium, Urine 24447-5
5195193 Phosphorus, Urine 2779-7
5195194 Ammonium, Urine 25308-8
5195195 Chloride, Urine 2079-2
5195196 Sulfate, Urine 26889-6
5195197 Urea Nitrogen, Urine 3096-5
5195198 Protein Catabolic Rate 93746-6
5195199 Creatinine, Urine 2162-6
5195200 Creatinine/Kg Body Weight 35654-3
5195201 Calcium/Kg Body Weight SOLOINC
5195202 Calcium/Creatinine Ratio 13717-4
5195203 Comment 77202-0
5195204 Litholink PDF 11502-2
Reflex to Pediatric Concentrations are ordered only by the performing laboratory, they are not externally available to order.
Labcorp Oklahoma Order Code: 5195206 .Pediatric Urine Calculations
Result Code Result Name LOINC
5195211 Magnesium/Kg Body Weight n/a
5195207 Oxalate Excretion, Normalized n/a
5195210 Phosphorus/Kg Body Weight n/a
5195209 Uric Acid Excretion,Normalized n/a
5195208 Citrate/Creat Ratio n/a
CPT Code(s) 82570, 82507, 82436, 82340, 82140, 84560, 84540, 84392, 84300, 84133, 84105, 83986, 83945, 83735, 82615, 81050
Lab Section Reference Lab