Last Modified: 6/14/2019 4:24:43 PM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 3.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions: Centrifuge and separate from cells immediately
Minimum Volume: 1.2 mL
Transport & Storage: Temperature/Stability: 1 week Refrigerated
Reference Range: 1.0 - 10.0 mcg/mL 

Detection Limit: 0.1 mcg/mL
Critical Ranges: > 10.0 mcg/mL
Test Comments:  
Methodology: HPLC
Clinical Significance:  
Custom Panel: No


Turn Around Time: 3 to 5 days
Days Performed: Monday, Wednesday, Friday
Sites Performed: Quest - Chantilly
PHL Test Code: WARFR
EPIC Test Code: LAB2519
Send Out Test Code: 5103
Alternate Test Names: Warfarin
Included Tests:  
CPT Coding: 82491

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