| Laboratory: | Clinical Biochemistry (METABOLIC) |
| Test Name: |
OROTIC ACID - (U)
Test Code:
OROT
|
| Clinical Information: |
Test performed at: This test is used for the evaluation of the differential diagnosis of hyperammonemia and hereditary orotic aciduria.
For question/help: please communicate with the biochemical geneticist. Method: Colorimetric by Mayo Clinic Laboratories. |
| Collection Devices: |
Preferred Device:
|
| Specimen Required: |
Urine: 10.0 mL
Pediatric Urine: 3.0 mL
Fresh random urine specimen |
| Referral: |
Urine: 10.0 mL
Pediatric Urine: 3.0 mL
Store and ship frozen as soon as possible to Metabolic Lab (HSC).
Stability frozen: 30 days |
| Requisition: | |
| Reference Values: |
< 2 weeks: 1.4 - 5.3 µmol/mmol creatinine
2 weeks - 1 year: 1.0 - 3.2 µmol/mmol creatinine 2 - 10 years: 0.5 - 3.3 µmol/mmol creatinine ≥ 11 years: 0.4-1.2 µmol/mmol creatinine Pregnant women will normally excrete up to twice the upper limit of the adult reference range. |
| Availability: |
Within 3 Weeks
|
| See Also: | |
| More Information: |
If you have any question, please communicate with the Metabolic Lab (HSC): 204-787-4530
Store and send urine frozen to Mayo Medical Laboratories for testing. Stability: 30 days frozen Test ID: OROT CPT Code: 83921 |