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Factor IX Activity Clotting Assay, Plasma

Test ID: FAC9

Test

Aliases/Synonyms

Coagluation Factor IX

Method

Clotting Assay

Report Includes

Factor IX, Clotting Assay

Specimens

Plasma (Citrate)

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

27-Oct-2023

Specimen

Specimens

Plasma (Citrate)

Collection Containers

Light Blue Tube (Citrate)

Sample Volume

2 mL

Collection & Handling

Handling Information

Prepare platelet poor plasma (double spun) and freeze immediately. Store and send frozen.

Additional Information

Submit separate specimen for each test ordered.

Stability

Ambient 4 hours
Frozen 14 days (-20°C)

Additional Stability Information

Stable up to six months at -70°C. If the specimen thaws, it is unsuitable for analysis.

Rejection Criteria

Hemolysis Gross
Specimen Not frozen

Test Version

27-Oct-2023

Performance / Interpretation

Method

Clotting Assay

Turnaround Time

4 days

Results

Name Units Reference Range Conversion Factor
Coagulation Factor IX, Clotting Assay U/mL
  • Adult: 0.60 - 1.50
  • Pediatric (< 3 days): 0.35 - 0.97
% x 0.0100

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

27-Oct-2023

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
FAC9 29238Factor IX Assay U/mL

Test Version

27-Oct-2023