Cystine, Urine Quantitative
| Label Mnemonic: | CYSTU |
| Epic code: | LAB387 |
| Downtime form: | Doctor/Provider Orders - Pathology Core and Specialty Care Nursery |
Commercial Mailout Laboratory
6240-8 RCP
356-8593
6240-8 RCP
356-8593
Specimen(s):
Urine (24 hr or random) More information
Specimen
Instructions:
Refrigerate after random collection. Submit immediately to Specimen
Control. 24 hr collections are accepted if refrigerated during
collection and submission to Specimen Control.
Collection Medium:
) |
| Urine - 24 hour/timed plastic urine container |
Minimum:
Preferred Minimum: 4 mL of well--mixed 24 hr or random urine
collection
Absolute Minimum: 3 mL random urine collection
Absolute Minimum: 3 mL random urine collection
Delivery Instructions:
Deliver to laboratory immediately after collection. Critical frozen. Separate specimens must be submitted when multiple tests are ordered.Turn Around
Time:
3-7 days upon receipt at reference laboratory
Reference Range:
0-2 months: Less than or equal to 870 μmol/g creatinine
3-11 months: Less than or equal to 300 μmol/g creatinine
1-2 years: Less than or equal to 150 μmol/g creatinine
3-5 years: 2Less than or equal to 125 μmol/g creatinine
6-11 years: Less than or equal to 100 μmol/g creatinine
12 years and older: Less than or equal to 150 μmol/g creatinine
3-11 months: Less than or equal to 300 μmol/g creatinine
1-2 years: Less than or equal to 150 μmol/g creatinine
3-5 years: 2Less than or equal to 125 μmol/g creatinine
6-11 years: Less than or equal to 100 μmol/g creatinine
12 years and older: Less than or equal to 150 μmol/g creatinine
Test
Limitations:
This test is indicated only to monitor patients with cystinuria on
therapy.
Methodology:
Liquid Chromatography/Tandem Mass Spectromoetry
CPT Code:
82131
Please print, complete and submit the Patient History for Biochemical Genetic Testing form from ARUP to the lab with the specimen.