For questions regarding the Interface Map, please contact interface.support@aruplab.com.
Recommendations when to order or not order the test. May include related or preferred tests.
Order in conjunction with von Willebrand Factor Antigen (0030285) and Factor VIII, Activity (0030095) as part of initial workup for suspected von Willebrand disease (VWD). Also useful for monitoring treatment in patients with VWD.
Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Patient Preparation Instructions patient must follow before/during specimen collection.
Collect Specimen type to collect. May include collection media, tubes, kits, etc.
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation Instructions for specimen prep before/after collection and prior to transport.
Transfer 1.5 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
Storage/Transport Temperature Preferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions Common conditions under which a specimen will be rejected.
Serum. EDTA plasma, clotted or hemolyzed specimens.
Remarks Additional specimen collection, transport, or test submission information.
Stability Acceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: at -20°C: 3 months; Frozen at -70°C: 6 months
Process(es) used to perform the test.
Days of the week the test is performed.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
| Age | Reference Interval |
|---|---|
| 0-6 years | 51-215% |
| 7-9 years | 52-176% |
| 10-11 years | 60-195% |
| 12-13 years | 50-184% |
| 14-15 years | 50-203% |
| 16-17 years | 49-204% |
| 18 years and older | 51-215% |
May include disease information, patient result explanation, recommendations, or details of testing.
Compliance Category
Additional information related to the test.
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually.
CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ.
CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
Components of test
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0030250 | von Willebrand Factor, Activity (RCF) | 6014-5 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Other names that describe the test. Synonyms.
