Children's Mercy Hospitals and Clinics
Name
Factor IX Inhibitor

Synonyms
Factor 9 Inhibitor

CMH Lab Section
Hematology

Specimen Requirements
2.7 mL in a sodium citrate blue top tube

Availability
Routine

Turn Around Time
Batch testing completed on Thursdays

Processing Instructions
Send specimen to Hematology ASAP

Methodology
Stago STAR mechanical clot detection

Ranges
< 0.5 Bethesda Units

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