Trimethoprim, Blood Test (4704B)

Trimethoprim, Blood Test (4704B)

Analysis Code 4704B 
Test Name Trimethoprim, Blood 
Test Includes Trimethoprim 
Compound Synonym(s) Proloprim®; Trimpex® 
Purpose Therapeutic Drug Monitoring; This test is New York State approved. 
Category Antibacterial 
Method(s) High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS) 
Specimen Requirements 1 mL Blood 
Transport Temperature Refrigerated 
Specimen Container Lavender top tube (EDTA) 
Special Handling None 
Light Protection Required Not Required 
Stability Room Temperature: 1 month(s)
Refrigerated: 1 month(s)
Frozen (-20 °C): 12 month(s) 
*Rejection Criteria None 
Day(s) Test Set-up / TAT [LC-MS/MS] Tuesday / 3 days 
Suggested CPT Code 80375 
**Minimum Volume 0.4 mL 
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You are viewing Trimethoprim, Blood Test (4704B)
*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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