QB Issue Resolution:

From section 5 in pay section of each employee, select “add new deduction”, under deduction/contribution select “new contribution/deduction” again! Then under c/d type: select health insurance, type: medical insurance, enter provider or whatever you want it to say on pay stubs, select amount for employee, employer then select taxable or pre-tax and OK!

Resolution for Issue 'How do I set up a 125 Cafeteria (PreTax) health insurance deduction and company contribution in QuickBooks Online?' available: Yes (Solved).
Source: Intuit Community forum.

How do I set up a 125 Cafeteria (PreTax) health insurance deduction and company contribution in QuickBooks Online?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for health insurance deduction
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Error Recovery for health insurance deduction [Canada]
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