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Test Code CHROM F10 Factor 10 Assay, Chromogenic

Clinical System Name

Factor 10 Assay, Chromogenic

Synonyms

Chromogenic Factor X
Factor 10 Lupus Inhibitor
Factor 10, Chromogenic
Factor X, Chromogenic

Sample Requirements

Specimen: Whole Blood

Container(s): Lt. Blue/Citrate

Preferred Vol: 3 - 5 mL in properly filled tubes

Minimum Vol:  2.0 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: hemolysis

Spin:Y

Aliquot: Y

Temp:-70 C

Storage location: Remove plasma within 4 hours of collection. Spin blood for 10 minutes; remove plasma. Re-spin plasma for an additional 10 minutes.

 

Off-site collection:

Remove plasma within 4 hours of collection. Spin blood for 10 minutes; remove plasma. Re-spin plasma for an additional 10 minutes. Transfer 1.0 mL plasma to a plastic tube, and send frozen.  If other tests are ordered, send separate aliquots.

Stability

Specimen Type Temperature Time
Whole blood Room temp

4 h

  Refrigerated  
  Frozen

 

 

Availability

STAT Performed TAT
Y; with approval

Daily 8 am - 8 pm

5-10 d

 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

Dept of Laboratory Medicine
1959 NE Pacific St, NW220
Seattle, WA 98195
 

Phone Number: (206) 520-4600

Department

Department:  Send Outs

 

Phone Number: (206) 987-2563

Reference Range

Age Range
11y - 50 - 150%

 

Methodology

Method: Chromogenic

Analytical Volume: None specified

Limitations:

CPT Codes

85260

Send Out Instructions

 

Reference Test Name:

Chromogenic Factor 10

Reference Test Number:

CHRF10

Instructions:

 Ship frozen on dry ice. Send out Monday thru Friday with the UW courier. Keep a copy of the Batch Sheet for our records.