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Validation of current procedural terminology codes for rotavirus vaccination among infants in two commercially

Veena Hoffman1, Nicholas J Everage2, Scott C Quinlan3

  • 1Optum Epidemiology, Ann Arbor, MI, USA.

Pharmacoepidemiology and Drug Safety
|September 15, 2016
PubMed

Insights

Procedure codes for rotavirus vaccines (RV1 and RV5) in health insurance claims are generally accurate. Misclassification rates were low, indicating reliable data for reimbursement and safety studies.

Area of Science:

  • Vaccinology
  • Health Services Research
  • Biostatistics

Background:

  • Accurate procedure codes are crucial for health insurance claims and vaccine safety surveillance.
  • Rotavirus vaccines, including monovalent live-attenuated human rotavirus vaccine (RV1) and live, oral pentavalent rotavirus vaccine (RV5), are vital for infant health.

Purpose of the Study:

  • To validate the accuracy of procedure codes used in health insurance claims for rotavirus vaccine reimbursement.
  • To assess the positive predictive value (PPV) of codes for RV1 and RV5 by comparing claims data to medical records.

Main Methods:

  • Utilized administrative data from commercially insured US populations.
  • Randomly sampled vaccination claims for RV1 and RV5 in infants under 1 year.
  • Confirmed vaccine types through medical record review and calculated PPVs.

Main Results:

  • RV1 vaccination claims had a PPV of 88.5% (95% CI: 80.7-93.9%).
  • RV5 vaccination claims had a PPV of 86.7% (95% CI: 79.1-92.4%).
  • Overall misclassification rate was low at 1.4%, with RV5 occasionally misclassified as RV1.

Conclusions:

  • Procedure codes for rotavirus vaccines are infrequently misclassified in health insurance claims.
  • The PPVs provide conservative estimates of code accuracy.
  • Findings support the reliability of claims data for rotavirus vaccine reimbursement and safety monitoring.
Abstract

Keywords:
health insurance claims datapharmacoepidemiologypositive predictive valuerotavirus vaccinationvalidation

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