Last Modified: 2/20/2019 4:21:55 PM

  Medicare Medical Necessity Restrictions May Apply
Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:

Patient should discontinue taking Biotin, Vitamin B7, or Vitamin H 48 hours before getting blood drawn.

Specimen Requirements:

1.0 mL Plasma in a PST Mint Green Top Tube - Li Heparin 

Collection Instructions:

Specimen should be drawn at least 4 hours after IV Dose or 6 hours after oral dose. Optimal time is 12-24 hours after oral dose. 

Minimum Volume: 0.2 mL
Transport & Storage: Temperature/Stability: 2 days Refrigerated

24 hours unspun
Reference Range: 0.9 - 2.0 ng/mL
Critical Ranges: High: > 2.5 ng/mL
Test Comments: Patients taking vitamin supplements containing high doses of biotin (>5 mg/day) may have falsely increased test results generated.
Methodology: Immunoassay
Clinical Significance:  
Custom Panel: No


Stat Eligible: Yes
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Hospital Randallia, Parkview Huntington, Parkview LaGrange, Parkview Noble, Parkview Regional Medical Center, Parkview Wabash, Parkview Warsaw , Parkview Whitley
PHL Test Code: DIG
EPIC Test Code: LAB23
Alternate Test Names: Lanoxin
Included Tests:  
CPT Coding: 80162

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