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HelpTest Code GSH Glutathione, Blood
Specimen Required
Container/Tube:
Preferred: Yellow top (ACD solution B)
Acceptable: Yellow top (ACD solution A)
Specimen Volume: 6 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Useful For
Evaluation of neonatal hyperbilirubinemia, favism or chronic or episodic hemolysis or jaundice
Evaluation for gamma-glutamylcysteine synthetase deficiency
Evaluation for glutathione synthetase deficiency causing hemolytic anemia
Evaluation for generalized glutathione synthetase deficiency with 5-oxoprolinuria
Reporting Name
Glutathione, BSpecimen Type
Whole Blood ACD-BSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood ACD-B | Refrigerated | 20 days |
Reject Due To
| Gross hemolysis | Reject |
| Frozen | Reject |
| Clotted (partial or whole) | Reject |
Reference Values
≥12 months: 46.9-90.1 mg/dL RBC
Reference values have not been established for patients younger than 12 months.
Specimen Retention Time
7 days for individually ordered tests; 28 days for evaluationsPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82978
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| GSH | Glutathione, B | 2383-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 608409 | Glutathione, B | 2383-8 |
Day(s) Performed
Monday through Friday
Report Available
10 to 13 daysForms
If not ordering electronically, complete, print, and send a Benign Hematology Test Request (T755) with the specimen.