Useful in the evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia, and as a rapid test to assess glucose-6-phosphate dehydrogenase (G6PD) enzyme capacity prior to Rasburicase therapy.
Useful for assessing susceptibility to autoimmune (type 1, insulin-dependent) diabetes mellitus and related endocrine disorders (eg, thyroiditis and pernicious anemia), for distinguishing between patients with type 1 and type 2 diabetes, for confirming susceptibility to organ-specific neurological disorders (eg, myasthenia gravis, Lambert-Eaton syndrome), and for confirming a diagnosis of stiff-man syndrome, autoimmune encephalitis, cerebellitis, brain stem encephalitis, or myelitis.
Serum
SST (1)
None
None
Allow SST tube to clot for at least 15 minutes post-draw. Centrifuge unopened collection tube(s) for 15 minutes to separate serum from red cells. Submit unopened collection tube(s).
Useful in the investigation of patients with achlorhydria or pernicious anemia, in the investigation of patients suspected of having Zollinger-Ellison syndrome, and in the diagnosis of gastrinoma.
Serum
SST (1)
None
None
Allow SST tube to clot for at least 15 minutes post-draw. Centrifuge unopened collection tube(s) for 15 minutes to separate serum from red cells. Submit unopened collection tube(s).
Useful for the diagnosis and management of carbohydrate metabolism disorders (specifically gestational diabetes) in pregnant patients.
Serum
SST (1)
Plasma
Gray (1)
Exactly one hour prior to draw, patient should consume 50g Glucola drink within 5 minutes and without vomiting. Start a timer when drink is finished and draw as close to the one hour mark as possible. SST: Allow SST tube to clot for at least 15 minutes post-draw. Centrifuge unopened collection tube(s) for 15 minutes to separate serum from red cells. Submit unopened collection tube(s). GRAY: Gently invert collection tube(s) at least 10 times, immediately post-draw. Submit unopened collection tube(s).
Useful for diagnosing and monitoring hepatobiliary disease, it is currently the most sensitive enzymatic indicator of liver disease. Also useful for ascertaining whether observed levels of alkaline phosphatase are due to skeletal disease or reflect the presence of hepatobiliary disease. Can be used as a screening tool for occult alcoholism.
Serum
SST (1)
Plasma
Green (1)
Allow SST tube to clot for at least 15 minutes post-draw. Centrifuge unopened collection tube(s) for 15 minutes to separate serum from red cells. Submit unopened collection tube(s).
Useful when evaluating patients suspected of having celiac disease, including patients with symptoms compatible with celiac disease, patients with atypical symptoms, and individuals at increased risk of celiac disease. Also useful for evaluating the response to treatment with a gluten-free diet.
Serum
SST (1)
None
None
Allow SST tube to clot for at least 15 minutes post-draw. Centrifuge unopened collection tube(s) for 15 minutes to separate serum from red cells. Submit unopened collection tube(s).
Useful for evaluating patients with rapid onset renal failure or pulmonary hemorrhage, and as an aid in the diagnosis of Goodpasture syndrome.
Serum
SST (1)
None
None
Allow SST tube to clot for at least 15 minutes post-draw. Centrifuge unopened collection tube(s) for 15 minutes to separate serum from red cells. Submit unopened collection tube(s).
Useful for diagnosing and managing diabetes mellitus and other carbohydrate metabolism disorders including gestational diabetes, neonatal hypoglycemia, idiopathic hypoglycemia, and pancreatic islet cell carcinoma.
Serum
SST (1)
Plasma
Gray (1)
Allow SST tube to clot for at least 15 minutes post-draw. Centrifuge unopened collection tube(s) for 15 minutes to separate serum from red cells. Submit unopened collection tube(s).
Testing for IgE antibodies may be useful to establish the diagnosis of an allergic disease and to define the allergens responsible for eliciting signs and symptoms. Also useful to identify allergens which may be responsible for allergic disease and/or anaphylactic episode, to confirm sensitization to particular allergens prior to beginning immunotherapy, and to investigate the specificity of allergic reactions to drugs or chemical allergens.
Used to provide preliminary information concerning the type of organisms present directly from clinical specimens or from growth on culture plates. Used to identify the presence of microorganisms in normally sterile body fluids (cerebrospinal fluid, synovial fluid, pleural fluid, peritoneal fluid). Also used to screen sputum specimens to establish acceptability for bacterial culture. Useful in guiding initial antimicrobial therapy.
Useful in the diagnosis of acromegaly and assessment of treatment efficacy (in conjunction with glucose suppression test), and in the diagnosis of human growth hormone deficiency (in conjunction with growth hormone stimulation test)