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Akron Children's > For Healthcare Professionals > Lab Tests : Akron | Mahoning Valley

von Willebrand Antigen

PATIENT INFO
Patient Name:
Medical Record #:
BD:       /      /         Sex:   F   M

PHYSICIAN INFO
Physician Name :
Address:
Ph: (      )      -          Fax: (      )      -       
Additional Report to:
Ph: (      )      -          Fax: (      )      -       

TESTS REQUESTED
Test Name: ICD9 Code: (required)
1. von Willebrand Antigen  
2.  
3.  
4.  
5.  
6.  

SPECIMEN INFO
Collection Date & Time:
Collected By:
Hospital:
Test ID :
VWFAG
Test Workstation :
ACOAG
Specimen Type:
Blood
Tube Type:
Blue top (sodium citrate) tube
Collection Volume:
2.7 mL (minimum 1.8 mL) Must use appropriate sodium citrate tube based on volume of blood drawn (1.8 mL or 2.7 mL tube)
Cause for Rejection:
Sample hemolyzed, clotted, diluted with IV fluid; contaminated with heparin; improperly filled; received > 1 hour after drawn
Storage:
Ambient- Whole blood
Availability:
Mon-Fri (0800-1500)
Methodology:
BCS-XP; LIA Test
Special Instructions:
To determine Von Willebrands disease, other recommended testing includes: Factor VIII, VWF GPIbM Activity, APTT If collected at an offsite location, send Whole Blood by a STAT Courier to Akron Childrens lab.Must be received within 4 hours.
Lab/Phone:
330-543-8416
TAT:
1 week
Additional Info:
Reference range: Normal: 50-160%
CPT Code:
85246
Synonyms:
Antigenic Factor VIII; Factor VIII Related Antigen

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