Litholink 24-Hour Urine, KS

Test Number 910235

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

Synonyms

Litholink 24 Hour Urine Panel

Test Details

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

Result 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.

Use

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

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.

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.

Specimen Requirements

Specimen

22-26 hour urine collection

Volume

40 mL of 24-hour urine

Minimum Volume

40 mL of 24-hour urine

Collection Instructions

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.

Stability Requirements

Temperature	Period
Room temperature	4 days or 96 hours from end of collection

Storage Instructions

Room temperature with preservative; do not refrigerate

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

LOINC® Map

Order Code	Order Code Name	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
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910120
Result Code Name	Cystine, Urine, Qualitative
UofM
Result LOINC	26843-3
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910145
Result Code Name	Urine Volume (Preserved)
UofM	mL/24 hr
Result LOINC	3167-4
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910124
Result Code Name	Calcium Oxalate Saturation
UofM
Result LOINC	34736-9
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910127
Result Code Name	Calcium, Urine
UofM	mg/24 hr
Result LOINC	6874-2
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910136
Result Code Name	Oxalate, Urine
UofM	mg/24 hr
Result LOINC	2701-1
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910129
Result Code Name	Citrate, Urine
UofM	mg/24 hr
Result LOINC	6687-8
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910106
Result Code Name	Calcium Phosphate Saturation
UofM
Result LOINC	42673-4
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910137
Result Code Name	pH, 24 hr, Urine
UofM
Result LOINC	27378-9
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910116
Result Code Name	Uric Acid Saturation
UofM
Result LOINC	42678-3
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910144
Result Code Name	Uric Acid, Urine
UofM	mg/24 hr
Result LOINC	3087-4
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910140
Result Code Name	Sodium, Urine
UofM	mmol/24 hr
Result LOINC	2956-1
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910139
Result Code Name	Potassium, Urine
UofM	mmol/24 hr
Result LOINC	2829-0
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910135
Result Code Name	Magnesium, Urine
UofM	mg/24 hr
Result LOINC	24447-5
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910138
Result Code Name	Phosphorus, Urine
UofM	mg/24 hr
Result LOINC	2779-7
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910122
Result Code Name	Ammonium, Urine
UofM	mmol/24 hr
Result LOINC	25308-8
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910128
Result Code Name	Chloride, Urine
UofM	mmol/24 hr
Result LOINC	2079-2
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910143
Result Code Name	Sulfate, Urine
UofM	meq/24 hr
Result LOINC	26889-6
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910121
Result Code Name	Urea Nitrogen, Urine
UofM	g/24 hr
Result LOINC	3096-5
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910119
Result Code Name	Protein Catabolic Rate
UofM	g/kg/24 hr
Result LOINC	93746-6
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910131
Result Code Name	Creatinine, Urine
UofM	mg/24 hr
Result LOINC	2162-6
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910107
Result Code Name	Creatinine/Kg Body Weight
UofM	mg/24 hr/kg
Result LOINC	35654-3
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910105
Result Code Name	Calcium/Kg Body Weight
UofM	mg/24 hr/kg
Result LOINC	Not Available
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910104
Result Code Name	Calcium/Creatinine Ratio
UofM	mg/g creat
Result LOINC	13717-4
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	910194
Result Code Name	Comment
UofM
Result LOINC	77202-0
Order Code	910235
Order Code Name	Litholink 24Hr Urine Panel
Order Loinc
Result Code	911323
Result Code Name	PDF
UofM
Result LOINC	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 1
Order Code	910150
Order Name	Pediatric Urine Calculations
Result Code	910113
Result Name	Oxalate Excretion, Normalized
UofM	mg/24hr/1.73
Result LOINC	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	13722-4
Reflex 1
Order Code	910150
Order Name	Pediatric Urine Calculations
Result Code	910130
Result Name	Citrate/Creat Ratio
UofM	mg/g creat
Result LOINC	13722-4

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 1
Order Code	910150
Order Name	Pediatric Urine Calculations
Result Code	910115
Result Name	Uric Acid Excretion,Normalized
UofM	mg/24hr/1.73
Result LOINC	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 1
Order Code	910150
Order Name	Pediatric Urine Calculations
Result Code	910114
Result Name	Phosphorus/Kg Body Weight
UofM	mg/24 hr/kg
Result LOINC	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
Reflex 1
Order Code	910150
Order Name	Pediatric Urine Calculations
Result Code	910112
Result Name	Magnesium/Kg Body Weight
UofM	mg/24 hr/kg
Result LOINC	Pending

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