Litholink 24-Hour Urine, KS

TEST: 910235
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CPT: 81050; 82140; 82340; 82436; 82507; 82570; 82615; 83735; 83945; 83986; 84105; 84133; 84300; 84392; 84540; 84560
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Synonyms

  • Litholink 24 Hour Urine Panel

Special Instructions

Ordering this test will trigger the Litholink At-Home testing kit to be sent directly your patient. This testing requires the use of Litholink's At-Home testing kit and preservative.

Please state the 24-hour urine volume.

Expected Turnaround Time

4 - 8 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

22-26 hour urine collection

Volume

40 mL of 24-hour urine

Minimum Volume

40 mL of 24-hour urine

Collection

Included preservative functions as a volume marker must be added to the main collection container at the beginning of collection and then return a 40 mL aliquot of the 24-hour urine per collection.

Full 24-hour collection: Void and discard first urine and continue to collect for 24-hour period from that void time.

All samples must be immediately returned to the lab using the prepaid FedEx shipper.

Storage Instructions

Room temperature with preservative; do not refrigerate

Stability Requirements

Temperature

Period

Room temperature

4 days or 96 hours from end of collection

Causes for Rejection

Too old (>96 hours); under or over collected (<22 hours or >26 hours); incorrect use of the Litholink preservative or the Litholink preservative not detected

Test Details

Use

This test is used for treatment and management of known or suspected kidney stone formers.

Limitations

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.

Methodology

Calcium, magnesium, creatinine, oxalate, citrate, uric acid, urea nitrogen, ammonium, cystine screening, phosphorus: Colormetric

Sulfate: Turbidity with barium precipitation

Sodium, potassium, chloride: fluoride for urine volume: Ion specific electrode

pH: Potentiometry

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
910235 Litholink 24Hr Urine Panel 910120 Cystine, Urine, Qualitative 26843-3
910235 Litholink 24Hr Urine Panel 910145 Urine Volume (Preserved) mL/24 hr 3167-4
910235 Litholink 24Hr Urine Panel 910124 Calcium Oxalate Saturation 34736-9
910235 Litholink 24Hr Urine Panel 910127 Calcium, Urine mg/24 hr 6874-2
910235 Litholink 24Hr Urine Panel 910136 Oxalate, Urine mg/24 hr 2701-1
910235 Litholink 24Hr Urine Panel 910129 Citrate, Urine mg/24 hr 6687-8
910235 Litholink 24Hr Urine Panel 910106 Calcium Phosphate Saturation 42673-4
910235 Litholink 24Hr Urine Panel 910137 pH, 24 hr, Urine 27378-9
910235 Litholink 24Hr Urine Panel 910116 Uric Acid Saturation 42678-3
910235 Litholink 24Hr Urine Panel 910144 Uric Acid, Urine mg/24 hr 3087-4
910235 Litholink 24Hr Urine Panel 910140 Sodium, Urine mmol/24 hr 2956-1
910235 Litholink 24Hr Urine Panel 910139 Potassium, Urine mmol/24 hr 2829-0
910235 Litholink 24Hr Urine Panel 910135 Magnesium, Urine mg/24 hr 24447-5
910235 Litholink 24Hr Urine Panel 910138 Phosphorus, Urine mg/24 hr 2779-7
910235 Litholink 24Hr Urine Panel 910122 Ammonium, Urine mmol/24 hr 25308-8
910235 Litholink 24Hr Urine Panel 910128 Chloride, Urine mmol/24 hr 2079-2
910235 Litholink 24Hr Urine Panel 910143 Sulfate, Urine meq/24 hr 26889-6
910235 Litholink 24Hr Urine Panel 910121 Urea Nitrogen, Urine g/24 hr 3096-5
910235 Litholink 24Hr Urine Panel 910119 Protein Catabolic Rate g/kg/24 hr 93746-6
910235 Litholink 24Hr Urine Panel 910131 Creatinine, Urine mg/24 hr 2162-6
910235 Litholink 24Hr Urine Panel 910107 Creatinine/Kg Body Weight mg/24 hr/kg 35654-3
910235 Litholink 24Hr Urine Panel 910105 Calcium/Kg Body Weight mg/24 hr/kg Not available
910235 Litholink 24Hr Urine Panel 910104 Calcium/Creatinine Ratio mg/g creat 13717-4
910235 Litholink 24Hr Urine Panel 910194 Comment 77202-0
910235 Litholink 24Hr Urine Panel 911323 PDF 11502-2
Reflex Table for Calcium/Kg Body Weight
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 910150 Pediatric Urine Calculations 910113 Oxalate Excretion, Normalized mg/24hr/1.73 Pending
Reflex Table for Calcium/Kg Body Weight
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 910150 Pediatric Urine Calculations 910130 Citrate/Creat Ratio mg/g creat Pending
Reflex Table for Calcium/Kg Body Weight
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 910150 Pediatric Urine Calculations 910115 Uric Acid Excretion,Normalized mg/24hr/1.73 Pending
Reflex Table for Calcium/Kg Body Weight
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 910150 Pediatric Urine Calculations 910114 Phosphorus/Kg Body Weight mg/24 hr/kg Pending
Reflex Table for Calcium/Kg Body Weight
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 910150 Pediatric Urine Calculations 910112 Magnesium/Kg Body Weight mg/24 hr/kg Pending

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