von Willebrand Antigen

Centralized Core Laboratory - : Hematology

PATIENT INFO

Patient Name:

Medical Record #:

BD: / / Sex: F M

PHYSICIAN INFO

Physician Name :

Address:

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Additional Report to:

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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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von Willebrand Antigen

Centralized Core Laboratory - : Hematology

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