Test ID: F9INH
Factor IX Inhibitor Evaluation
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Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
83103
Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
FACTOR IX ACTIVITY ASSAY
Adults: 65-140%
Normal, full-term newborn infants or healthy premature infants may have decreased levels (> or =20%), which may not reach adult levels for > or =180 days postnatal.*
*See Pediatric Hemostasis References in Coagulation Studies in Special Instructions.
FACTOR IX INHIBITOR SCREEN
Negative
BETHESDA TITER
0 Units
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