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HelpTest ID NBLD0047 Cystine, Quantitative 24 Hour Urine
Specimen Type/Requirements
24 hour urine container - Aliquot from a well mixed 24 hour urine specimen.
24-Hour Urine Collection Instructions English
24-Hour Urine Collection Instructions Spanish
Record total volume of the 24 hour urine.
This test requires it's own frozen aliquot.
Do not use Preservatives.
Reject criteria: pH<2.0 and IVP within 48 hours of collection.
Specimen Volume
| Preferred Volume | 1.8 mL |
|---|---|
| Minimum Volume | 0.6 mL |
Performed Test Frequency
Tuesday, Thursday
Report Available
4 - 10 days
Methodology
Chromatography/Mass Spectrometry
Performing Lab
Quest Chantilly forwards to Quest San Juan Capistrano
CPT
82131
Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 25 | Cystine 24Hr Urine |
Stability/Transport
| Room Temperature | Unacceptable | |
|---|---|---|
| Refrigerated | 48 hours | |
| Frozen | 60 days | Preferred for transport |