Test Code F8 INH SC Factor VIII Inhibitor Screen
Clinical System Name
Factor 8 Inhibitor Screen
Synonyms
Anti Factor 8 - Screen
F8 INH SC
Factor 8 Inhibitor Screen
Sample Requirements
Specimen: Whole Blood
Container(s): Lt. Blue/Citrate
Preferred Vol: (3) 1.8 mL or (1) 2.7 mL
Minimum Vol: (1) 1.8 mL
Note:
Processing Instructions
Reject due to: Clotted, Hemolyzed, Insufficient quantity, and Improper collection.
Spin: N
Aliquot: N
Temp: RT
Storage location: Core 6 Freezer ( -70 C) Send Out rack.
Note: Deliver blood to Core Coag bench. Coag Technologist will process. Specimen should be centrifuged within 1hour of collection. Spin whole blood, remove plasma. Transfer upper 3/4 layer of plasma to plastic tube and make 2 aliquots 0.6 mL, affix large label and store in -70 freezer, Send Out rack.
Off-site collection: Preferred method of collection is venipuncture with vacuum fill. Test results are affected by incorrect blood volumel. Use of a Vascular Access Device for the collection of coag testing is not recommended. If this method is used it requires a 5 cc clearing volume; 3 cc for size 2 French catheter or smaller. Blood must be trasferred to the Lt Blue/Citrate tube by use of the blood transfer device.
Specimen should be centrifuged within 1 hour of collection. Double spin, transfer upper 3/4 layer of plasma to plastic tube affixed with large computer label. Freeze 2 aliquots of 0.6 mL plasma in plastic tubes at -70C.
Ship frozen on dry ice.
Stability
Specimen Type | Temperature | Time |
---|---|---|
Citrated platelet-poor plasma | Room temp | N |
Refrigerated | N | |
Frozen | Y |
Availability
STAT | Performed | TAT |
---|---|---|
Y, with approval | Drawn daily; performed M - F | 5 d |
Performing Laboratory
Harborview Medical Center
Department
Department:
Harborview Medical Center
Room GWH47; 523 9th Ave
Seattle, WA 98104
Phone Number: (206) 744-3451
CPT Codes
85335
Methodology
Method: None specified
Analytical Volume: None specified
Limitations:
Reference Range
None detected |
Values reported in Bethesda units.
Send Out Instructions
Reference Test Name: | Factor VIII Inhibitor Screen |
Reference Test Number: | F8INSC |
Instructions: | See protocol for stat sendouts. If not ordered stat, send out Mon - Fri with the UW/HMC courier.Ship on dry ice. Use a yellow UW/HMC General request form. Keep the bottom copy for our lab records. |