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HelpTest ID SSCTU S-Sulfocysteine Panel, Urine
Necessary Information
Patient's age is required.
Specimen Required
Supplies: Urine Tubes, 10 mL (T068)
Container/Tube: Plastic, 10-mL urine tube
Specimen Volume: 3 mL
Collection Instructions: Collect a random urine specimen.
Useful For
Diagnosis of molybdenum cofactor deficiency, isolated sulfite oxidase deficiency and hereditary xanthinuria
Monitoring patients with molybdenum cofactor deficiency or isolated sulfite oxidase deficiency on treatment
Highlights
This test provides a quantitative report of s-sulfocysteine, xanthine, hypoxanthine and uric acid identified via liquid chromatography-mass spectrometry.
Method Name
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
S-Sulfocysteine Panel, USpecimen Type
UrineSpecimen Minimum Volume
2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Frozen | 90 days |
Reference Values
|
S-Sulfocysteine Panel, Urine Reference Values (all results reported as mmol/mol creatinine) |
|||||
|
|
0-3 years |
4-6 years |
7-12 years |
13-18 years |
>18 years |
|
Hypoxanthine |
≤65 |
≤30 |
≤30 |
≤30 |
≤30 |
|
Xanthine |
≤54 |
≤21 |
≤35 |
≤15 |
≤20 |
|
Uric Acid |
350-2500 |
200-2000 |
200-1400 |
150-700 |
70-700 |
|
S-Sulfocysteine |
≤11 |
≤5 |
≤5 |
≤5 |
≤5 |
Day(s) and Time(s) Performed
Tuesday; 8 a.m.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
82542
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| SSCTU | S-Sulfocysteine Panel, U | 94397-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 607007 | Interpretation (SSCTU) | 59462-2 |
| 607002 | Hypoxanthine | 38366-1 |
| 607003 | Xanthine | 38371-1 |
| 607004 | Uric Acid | 34385-5 |
| 607005 | S-Sulfocysteine | 33876-4 |
| 607006 | Reviewed By | 18771-6 |