Summary & Overview
CPT 3215F: Documentation of Hepatitis A Immunity
CPT code 3215F denotes documentation that a patient has immunity to the hepatitis A virus. Recording immunity status is an administrative and clinical element that supports preventive care workflows, population health management, and accurate patient records. Nationally, standardized use of this code helps track vaccination coverage and immunity prevalence across outpatient settings.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for the code, where it is typically captured, and what to expect from payer coverage language. The publication summarizes common benchmarking topics such as prevalence of reported immunity in ambulatory practice, coding consistency, and implications for preventive care reporting. It also highlights relevant policy considerations, including how immunity documentation interacts with vaccine administration records and public health reporting.
This piece serves as a concise reference for clinicians, coding professionals, and administrators who need clear, national-level context for CPT code 3215F, including how the code functions within preventive care documentation and why consistent use matters for quality measurement and care coordination.
Billing Code Overview
CPT code 3215F indicates documentation of immunity to hepatitis A virus in the patient's medical record. This code is used by clinicians to record that a patient has confirmed immunity to hepatitis A, typically based on prior vaccination or laboratory evidence of immunity.
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Service type: Immunity documentation / vaccine-preventive service record
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Typical site of service: Outpatient clinic, primary care office, public health clinic, or other ambulatory care settings
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Clinical & Coding Specifications
Clinical Context
A typical patient scenario involves an adult or pediatric patient presenting to a primary care clinic, travel medicine clinic, employee health clinic, or public health department who has documented immunity to hepatitis A. The clinical workflow begins with chart review or patient report of prior infection or completed vaccination series. The provider verifies immunity through prior immunization records, documented positive hepatitis A IgG serology, or laboratory reports. Once immunity is confirmed, the clinician documents the finding in the medical record and applies code 3215F to indicate documentation of hepatitis A virus immunity for billing and preventive care records. This occurs during preventive visits, pre-employment screenings, school or daycare health assessments, travel clearance visits, or infectious disease follow-up, and the encounter may be conducted in an outpatient clinic, community health center, or occupational health setting.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
25 | Significant, separately identifiable evaluation and management service by the same physician on the day of a procedure | Use if an E/M visit was performed in addition to documenting immunity and meets E/M documentation requirements |