Paternity Testing Information for the State of
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The Washington Statute
(a) The man has at least a ninety-nine percent probability of
paternity, using a prior probability of 0.50, as calculated by
using the combined paternity index obtained in the testing; and
(b) A combined paternity index of at least one hundred to one.
(2) A man identified under subsection (1) of this section as
the father of the child may rebut the genetic testing results only
by other genetic testing satisfying the requirements of this
section and sections 401 through 404 and 406 through 411 of this
(a) Excludes the man as a genetic father of the child; or
(b) Identifies another man as the father of the child.
(3) Except as otherwise provided in section 410 of this act, if
more than one man is identified by genetic testing as the possible
father of the child, the court shall order them to submit to
further genetic testing to identify the genetic father.
This information is provided for reference only