Test ID GSH Glutathione, Blood
Specimen Required
Collection Container/Tube:
Preferred: Yellow top (ACD solution B)
Specimen Volume: 6 mL
Collection Instructions: Send specimen in original tube. Do not transfer blood to other containers.
Useful For
Evaluation of neonatal hyperbilirubinemia, favism or chronic or episodic hemolysis or jaundice
Evaluation for gamma-glutamylcysteine synthetase deficiency (OMIM 230450)
Evaluation for glutathione synthetase deficiency causing hemolytic anemia (OMIM 231900)
Evaluation for generalized glutathione synthetase deficiency with 5-oxoprolinuria (OMIM 266130)
Method Name
Kinetic Spectrophotometry
Reporting Name
Glutathione, BSpecimen Type
Whole Blood ACD-BSpecimen Minimum Volume
1 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Whole Blood ACD-B | Refrigerated | 20 days |
Reference Values
≥12 months: 46.9-90.1 mg/dL RBC
Reference values have not been established for patients who are <12 months of age.
Performing Laboratory

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 US Food and Drug Administration.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.