ARUP's Laboratory Test Directory

Bleeding Disorders (Common) : 2003417
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Additional Technical Information
  


Mnemonic: BLEED COM

Ordering Recommendation: Recommended panel in initial workup of suspected bleeding disorder. Appropriate initial workup should be guided by results of coagulation screening tests.
Methodology: Microlatex Particle-Mediated Immunoassay/Platelet Agglutination/Electromagnetic Mechanical Clot Detection
Performed: Sun-Sat
Reported: 1-4 days
Specimen Required: Collect: Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation: Transfer 4 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 2 mL)

Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Remarks:

Unacceptable Conditions: Serum. Non-frozen or hemolyzed specimens.

Stability (collection to initiation of testing): Ambient: 4 hours; Refrigerated: Unacceptable; Frozen at -20°C: 3 months; Frozen at -70°C: 6 months
Reference Interval:
 
Available Separately Components Reference Interval
0030215Prothrombin Time 12.0-15.5 seconds
0030235Partial Thromboplastin Time 24-35 seconds
0030095Factor VIII, Activity 0-6 years: 56-191%
7-9 years: 76-199%
10-11 years: 80-209%
12-13 years: 72-198%
14-15 years: 69-237%
16-17 years: 63-221%
18 years and older: 56-191%
0030285von Willebrand Factor Antigen 0-6 years: 52-214%
7-9 years: 62-180%
10-11 years: 63-189%
12-13 years: 60-189%
14-15 years: 57-199%
16-17 years: 50-205%
18 years and older: 52-214%
0030250von Willebrand Factor Activity (Ristocetin Cofactor) 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%
0030100Factor IX, Activity 1-4 days: 15-91%
5-29 days: 15-91%
30-89 days: 21-81%
90-179 days: 21-113%
180-364 days: 36-136%
1-5 years: 47-104%
6 years: 63-89%
7-9 years: 70-133%
10-11 years: 72-149%
12-13 years: 73-152%
14-15 years: 80-161%
16-17 years: 86-176%
18 years and older: 78-184%
0030110Factor XI, Activity 1-4 days: 10-66%
5-29 days: 23-87%
30-89 days: 27-79%
90-179 days: 41-97%
180-364 days: 38-134%
1-5 years: 56-150%
6 years:  52-120%
7-9 years: 70-138%
10-11 years: 66-137%
12-13 years: 68-138%
14-15 years:  57-129%
16-17 years: 65-159%
18 years and older: 56-153%

CPT Code(s): 85240; 85246; 85245; 85250; 85270; 85610; 85730