Cystinuria is an autosomal recessive disease in which dibasic amino acids, including cystine, are excreted in excess. Cystine kidney stones account for approximately 1-3% of all kidney stones. Age of onset is often younger than with other types of kidney stones and the recurrence is approximately one-third
1.8 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container
60 days Frozen
Patient Age must be included on the order
Do not add perservatives
Do not Thaw
1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container.
DO NOT URINATE DIRECTLY INTO CONTAINER.
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container.
4. Urine Specimen should be kept refrigerated during and after collection.
Printable Patient Collection Instructions
English 24 Hour Urine Collection
Spanish 24 Hour Urine Collection
Burmese 24 Hour Urine Collection
Arabic 24 Hour Urine Collection
0.6 mL Urine
| Pediatric | ||
| 0-9 years: | 6-48 | umol/24 hrs |
| 10-13 years: | 10-94 | umol/24 hrs |
| 14-17 years: | 17-102 | umol/24 hrs |
| Adults: | 24-184 | umol/24 hrs |
To convert from umol/24hrs to mg/24hrs use the following conversion factor:
umol/24hrs x 0.24 = mg/24hrs
Cystinuria is an autosomal recessive disease in which dibasic amino acids, including cystine, are excreted in excess. Cystine kidney stones account for approximately 1-3% of all kidney stones. Age of onset is often younger than with other types of kidney stones and the recurrence is approximately one-third
5 to 11 days
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82131