PR-66Patient ResponsibilityPatient Responsibility
PR-66 Denial Code: Blood deductible
The patient's blood deductible applies (Medicare's first-3-pints rule) — the amount is patient responsibility unless replaced.
Why PR-66 happens
- ●First three units of blood in a benefit period aren't covered by Medicare
How to fix a PR-66 denial
- 1
Post to patient responsibility; note replacement credits if the patient/donors replaced units
How to prevent it
Educate patients receiving transfusions about the blood deductible up front.
Drowning in PR-66 denials?
OakClaim works every denial within 48 hours and builds prevention rules so they stop recurring.