It won’t come up often, but will certainly help in certain situations.  The general rule is that eligibility for SSI disability payments, and SSI-related Medicaid, for minor children depends on the income and assets of the parents, which are "deemed" to be available to the child.  "Parents" include "step-parents."  But only the income and assets

Our 18 page booklet, titled "What every personal injury attorney needs to know about SSI, Medicaid and Special Needs Trusts" in Question and Answer format, has been revised to include the latest 2008 federal benefit figures, and developments in Social Security and Florida Medicaid law.