State Medical Record Laws: Minimum Medical Record Retention Periods for Records Held by Medical Doctors and Hospitals.
Adult patients
5 years beyond the date the patient was last seen.
Minor patients
3 years past the age of majority (i.e., until the patient turns 21).
Deceased patients
3 years beyond the date of death.
Okla. Admin. Code § 310:667-19-14 (2008). https://www.healthit.gov
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