The following degrees of relationship are included within the definition of “immediate
relative”; (1) spouse ; (2) natural parent, child, and sibling; (3) adopted child and adoptive
parent; (4) stepparent, stepchild, stepbrother and stepsister; (5) spouse, , son-in-law,
daughter-in-law, brother-in-law, and sister-in-law; (6) grandparent and grandchild.
NOTE: A
brother-in-law or sister-in-law relationship does not exist between a physician (or
supplier) and
the spouse's brother or sister. Neither does a parent relationship exist between
the physician
spouse's stepparents .