Loratadine and Metabolite, Blood Test (2525B)

Loratadine and Metabolite, Blood Test (2525B)

Analysis Code 2525B 
Test Name Loratadine and Metabolite, Blood 
Test Includes Descarboethoxyloratadine; Loratadine 
Compound Synonym(s) Alavert®; Clarinex®; Claritin®; Desloratadine; Loratadine Metabolite 
Purpose Therapeutic Drug Monitoring; This test is New York State approved. 
Category Antihistamine 
Method(s) Gas Chromatography (GC) 
Specimen Requirements 5 mL Blood 
Transport Temperature Refrigerated 
Specimen Container Lavender top tube (EDTA) 
Special Handling None 
Light Protection Required Not Required 
Stability Room Temperature: 17 day(s)
Refrigerated: 17 day(s)
Frozen (-20 °C): 17 day(s) 
*Rejection Criteria None 
Known Interference(s) Descarboethoxyloratadine [GC]: Amoxapine 
Day(s) Test Set-up / TAT [GC] Wednesday / 3 days 
Suggested CPT Code 80375 
**Minimum Volume 2.2 mL 
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You are viewing Loratadine and Metabolite, Blood Test (2525B)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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