Can payments made to a health care sharing ministry (e.g., Samaritan Ministries, Christian Healthcare Ministries) which are exempt from the Affordable Care Act be deducted from income as a self-employed (SE) insurance deduction?
First, to be technical, "health care sharing ministries" (IRS exemption D) provide participants an exception from Shared Responsibility Payments (ACA penalties), but don't connote other tax benefits.
Second, a health care share ministry does not qualify as health insurance. One does not pay what the IRS considers to be premiums, but instead shares the health expenses of others. And according to IRS Pub 535, in order for self-employed individuals to qualify for a SE insurance deductions they must be to pay premiums for qualifying health insurance.