Last Modified: 9/22/2021 10:22:58 AM

Medical Necessity Documentation: Recommended as outpatient testing only
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 Serum from a SST Gold Top Tube placed in an opaque bag
Collection Instructions:

Protect from Light by placing in an opaque plastic bag

Transport & Storage: Temperature/Stability: 48 hours Refrigerated

Specimen must be frozen if testing is delay

6-8 hours unspun
Reference Range: > 4.5 ng/mL
Critical Ranges:  
Test Comments: Patients taking vitamin supplements containing high doses of biotin (>5 mg/day) may have falsely increased test results generated.

Excessive light exposure may alter Vitamin B12 and Folate values
Methodology: Chemiluminescence
Clinical Significance:  
Custom Panel: No


Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: FOLAT
EPIC Test Code: LAB69
Alternate Test Names: Folic Acid; Serum Folate; Vitamin B9
Included Tests:  
CPT Coding: 82746

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