Test Code LAB3030 Factor 10 Assay, Chromogenic
Additional Codes
CHROM F10
Clinical System Name
Factor 10 Assay, Chromogenic
Synonyms
F10 Lupus Inhibitor, Factor 10 Lupus Inhibitor, Factor X Lupus Inhibitor, Functional Factor 10
Sample Requirements
Specimen: Whole Blood
Container(s): Lt. Blue/Citrate
Preferred Vol: (3) 1.8 mL or (1) 2.7 mL
Minimum Vol: (2) 1.8 mL
Note: Do not use blue band on tube label for correct fill volume. Test results are affected by incorrect blood volume. Preferred method of collection is venipuncture with vacuum fill. VAD is not the preferred method of collection for coag testing. If this method is used, it requires a 5 cc clearing volume; 3 cc for size 2 French catheter or smaller. Call Coagulation Lab with questions 206-987-2561. Specimen must be processed within 4 hours of blood draw.
Processing Instructions
Reject due to: Clotted, hemolyzed, insufficient quantity, or improper collection.
Spin: Y
Aliquot: Y
Temp: -70 C
Storage Location: CPA -70 freezer, Send Outs rack.
Note: Deliver blood to Core Coag bench. Coag Technologist will process. Specimen should be centrifuged within ONE hour of collection. Spin whole blood, remove plasma. Transfer upper 3/4 layer of plasma to plastic tube and make two aliquots of 0.6 mL, affix with a large Cerner label and store in -70 freezer, Send Outs 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 ONE of collection. Double spin, transfer upper 3/4 layer of plasma to plastic tube affixed with large Cerner label. Freeze two aliquots of 0.6 mL plasma in aliquot tubes at -70C. Ship frozen on dry ice.
Stability
Specimen Type | Temperature | Time |
---|---|---|
Citrated platelet-poor plasma | Room Temp |
Unacceptable |
Refrigerated | Unacceptable | |
Frozen |
Indefinite |
Availability
STAT | Performed | TAT |
---|---|---|
Y; with approval |
Daily 8 am - 8 pm |
Same day |
For STAT runs outside normal hours (daily 8 am - 8 pm) contact Lab Med. Res. for approval at (206) 598-6190.
Performing Laboratory
University of Washington
Department of Laboratory Medicine
Coagulation
1959 NE Pacific St, NW220
Seattle, WA 98195
Phone Number: (206) 520-4600
Department
Department: Send Outs
Phone Number: (206) 987-2563
CPT Codes
85260
Methodology
Method: Chromogenic
Analytical Volume: 1.0 mL Citrated Plasma
Limitations:
Reference Range
Units: % | |||
Female | Male | ||
Age | Range | Age | Range |
11y- | 50-150 | 11y- | 50-150 |
Send Out Instructions
Reference Test Name: |
Chromogenic Factor 10 |
Reference Test Number: | |
Instructions: | Ship frozen on dry ice. Send out Monday through Friday with the UW courier. |