Total Glutathione
Test ID:
704356
CPT code:
82978
Clinical Use:
Glutathione is a tripeptide and is the primary regulator of cellular redox states. Glutathione exists primarily in its reduced form (GSH), which upon oxidation forms the dimer, glutathione disulfide (GSSG). GSH can also form disulfide bridges with proteins as a result of oxidation or enzyme catalyzed reactions, giving rise to protein-bound glutathione (GSSP). Decreased glutathione levels in whole blood have been associated with Parkinson’s disease, HIV, liver disease, renal failure, as well as preëclampsia.
Specimen Type:
Whole blood
Requested Volume:
500 μL
Minimum Volume:
100 μL
Container Type:
Yellow-top ACD-B tube (acid citrate dextrose) or yellow-top ACD-A tube
Storage Instructions:
Room temperature
Stability Requirements:
Temperature |
Period |
---|---|
Room temperature |
14 days |
Refrigerated |
14 days |
Frozen |
7 days |
Rejection Criteria
Blood collected in tubes other than ACD tubes; hemolyzed specimens; clotted specimens
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