Is a 401k an "Other Qualified Exempt Retirement Benefit", Code 05E?

It depends on who issued it. Retirement system benefits that may be excluded from Louisiana income tax

• Annual Retirement Income Exclusion—Persons 65 years or older may exclude up to $6,000 of annual retirement income from their taxable income. Taxpayers that are married filing jointly and are both age 65 or older can each exclude up to $6,000 of annual retirement income. If only one spouse has retirement income, the exclusion is limited to $6,000.
• Federal Retirement Benefits Exclusion—Federal retirement benefits received by federal retirees, both military and nonmilitary, may be excluded from Louisiana taxable income.
• State Employees, Teachers, and Other Retirement Benefits Exclusion—Individuals receiving benefits from certain retirement systems are allowed to exclude those benefits from their Louisiana tax-table income. In addition, Municipal and State Police Employees Retirement System deferred retirement option plan funds are exempt from state income tax.

Is this still true for 2018 taxes?