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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
HISTAMINE, PLASMA |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2462 Geisinger Epic ID: 45090 | |
SPECIMEN COLLECTION |
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Specimen type: |
Plasma | |
Preferred collection container: |
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Specimen required: |
1 mL plasma, minimum 0.5 mL, collected in EDTA tube | |
Special notes: |
See Specimen Processing Instructions | |
Patient preparation: |
Avoid taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours before collection. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge immediately and freeze plasma in a plastic vial. | |
Transport temperature: |
Frozen. | |
Specimen stability: |
Room temperature: 24 hours. Refrigerated: 24 hours. Frozen: 7 days. | |
Rejection criteria: |
Hemolysis. Lipemia. Specimens received refrigerated or at room temperature. | |
TEST DETAILS |
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Reference interval: |
Histamine, Plasma < or = 1.8 ng/mL | |
CPT code(s): |
83088 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Methodology: |
Enzyme Immunoassay (EIA) |
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Synonyms: |
Quest code 36586 HIST
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Clinical significance: |
Clinical Significance: Histamine is a mediator of the allergic response. Histamine release causes itching, flushing, hives, vomiting, syncope, and even shock. In addition, some patients with gastric carcinoids may exhibit high concentrations of histamine. | |