If so, the IRS considers tax-qualified LTCI premiums a qualified medical expense
That means that an individual (W2 employee) may withdraw money tax-free from their HSA to pay for standalone LTC Insurance.
To learn more vist these resources:
Resource #1 – Using HSA to pay for LTCi premium (Genworth)
Resource #2 – Using HSA to pay for LTCi premium (BenefitsPro)