Factor IX Assay

Centralized Core Laboratory:Hematology

Test ID/Workstation: FIX ACOAG

Specimen Type: Blood

Tube Type: Blue top (sodium citrate) tube

Collection Volume: 2.7 mL (minimum 1.8 mL)

Cause for rejection: Sample hemolyzed, clotted, diluted with IV fluid; contam with heparin, improperly filled; not kept on ice; received > 1 hr after drawn

Storage: Frozen

Availability: Daily (0700-1500)

Methodology: Optical Light Scatter Detection Clotting Assay

Special Instructions: Call CCL in advance to schedule test. Indicate the time replacement therapy was administered, amount & type of therapy given, whether the specimen was drawn pre-treatment or post-treatment and the time drawn. Indicate if a specimen has been drawn from an arterial line or a line rinsed with heparin.

OC Power Word: LFACTOR9

Lab/Phone: 330-543-8416

TAT: 4 hours

Additional Info: Reference range:

0-1 day: 17-81%

2-5 days: 17-81%

6-30 days: 24-73%

1-3 months: 24-101%

4-11 months: 42-121%

1-5 years: 55-93%

6 years-Adult: 65-145%

CPT Code: 85250

Synonyms: Antihemophilic Factor B; Christmas Disease

Requisition Form
View and print a requisition form for this test

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330-543-1000 (operator)

330-543-2000
(8 a.m.-4:30 p.m.)

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