Prior Auth Required

84394 - Tau, total (tTau) Pre-Service Review Required Investigative Submit history and physical

This procedure appears on the selected insurer prior authorization source.

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Prior authorizationPrior Auth Required
Procedure / ServiceTau, total (tTau) Pre-Service Review Required Investigative Submit history and physical
Procedure / Service Description

217), each documentation of medical necessity. - 84393 Tau, phosphorylated (eg, pTau 181, pTau Pre-Service Review Required Investigative Submit history and physical, 217), each documentation of medical necessity. 84394 Tau, total (tTau) Pre-Service Review Required Investigative Submit history and physical, documentation of medical necessity. 84999 Unlisted chemistry procedure Medical necessity review will be Medical Necessity Upon claims submission Medical

Likely documents
  • Confirm benefit details
  • Submit clinical notes if requested by the plan
Next actions
  • Confirm the current plan policy before submission.
  • Use the insurer authorization workflow for this listed code.