Question 1

What insurance policy changes affect CPT 84478?

Accepted Answer

There are 2 tracked policy changes affecting CPT 84478, including updates from Aetna, Harvard Pilgrim Health Care. Each change may modify coverage criteria, reimbursement rates, or prior-authorization requirements.

Question 2

Which payers have updated policy for CPT 84478?

Accepted Answer

Payers that have issued tracked updates for CPT 84478 include: Aetna, Harvard Pilgrim Health Care.

Question 3

How do I get notified when CPT 84478 policy changes?

Accepted Answer

Create a free account at PolicyChanges.app and save a search filtered to CPT 84478. You will receive a daily digest email whenever a new policy change references this code.

Question 4

Why do payers change policies for CPT 84478?

Accepted Answer

Payers revise policies for individual billing codes to align with updated clinical guidelines, CMS rule changes, fraud and abuse prevention measures, or network cost-management goals. Changes can affect medical necessity criteria, place-of-service restrictions, bundling rules, or whether a code requires prior authorization.

84478 Insurance Policy Changes

Plozasiran (Redemplo) (CPB 1096, reviewed 12-2026-03)

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