Last Modified: 3/27/2019 3:50:33 PM

  Medicare Medical Necessity Restrictions May Apply
Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:
8 hours Fasting
Specimen Requirements: 1.0 mL Plasma in a PST Mint Green Top Tube - Li Heparin
Collection Instructions: Centrifuge and separate from cells within 2 hours of collection
Minimum Volume: 0.2 mL Serum
Transport & Storage: Temperature/Stability: 7 days Refrigerated
Reference Range: Adult < 60 years of age: 4.5 -15 umol/L
Critical Ranges:  
Test Comments:  
Methodology: Chemiluminescence
Clinical Significance: Studies have shown that a moderate increase of plasma homocysteine is an independent risk factor for premature cardiovasular disease
Custom Panel: No


Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: HCYS1
EPIC Test Code: IMO32
Included Tests:  
CPT Coding: 83090

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