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HelpTest Code CYST67 Cystinuria Profile, Quantitative, Random, Urine
Additional Codes
| Mayo | CYSR |
| Epic ID | LAB387 |
Specimen Type
UrineNecessary Information
1. Patient's age is required.
2. Include family history, clinical condition (asymptomatic or acute episode), diet, and drug therapy information
Specimen Required
Supplies: Urine Tubes, 10 mL (T068)
Specimen Volume: 2 mL
Collection Instructions: Collect a random urine specimen.
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Frozen (preferred) | 70 days |
| Refrigerated | 14 days |
UPH Waterloo Region Lab Test Catalog
Note:
Transport frozen.
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Useful For
Biochemical diagnosis of cystinuria using random urine specimens
Day(s) Performed
Monday through Friday
Report Available
3 to 5 daysReference Values
|
Amino Acid |
Age groups |
|||||
|
<2 months |
2-35 months |
3-6 years |
7-17 years |
≥18 years |
||
|
Arginine |
Arg |
<250 |
<147 |
<81 |
<42 |
<65 |
|
Ornithine |
Orn |
<344 |
<238 |
<228 |
<291 |
<193 |
|
Cystine |
Cys |
<486 |
<285 |
<111 |
<84 |
<142 |
|
Lysine |
Lys |
<2217 |
<1321 |
<814 |
<463 |
<295 |
All results reported as nmol/mg creatinine.
CPT Code Information
82136