CPT 90471: Live Attenuated Vaccine Administration
CPT code 90471 denotes the administration of a live attenuated vaccine by percutaneous, intradermal, subcutaneous, or intramuscular routes. As a standardized procedural code, it enables consistent reporting of vaccine administration across outpatient and ambulatory care settings. Accurate use of this code affects clinical documentation, claims processing, and public health reporting for immunization delivery nationally.
Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for live attenuated vaccine administration, typical sites of service where 90471 is used, and which payer types commonly reimburse such services. The publication outlines benchmark considerations for vaccine administration coding, common modifier interactions (listed separately), and operational details relevant to billing staff and practice managers.
This briefing is aimed at coding professionals, revenue cycle staff, clinicians involved in immunization delivery, and payers responsible for policy. It summarizes when 90471 applies, highlights billing implications for ambulatory settings, and identifies areas where coding clarity supports accurate reimbursement and immunization tracking. Data not available in the input is noted where applicable.
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Billing Code Overview
CPT code 90471 describes the administration of a live attenuated vaccine delivered by percutaneous, intradermal, subcutaneous, or intramuscular route. The procedure covers the act of giving the vaccine to a patient by one of these injection or placement techniques.
Service type: Vaccine administration
Typical site of service: Outpatient clinic, physician office, community health center, pharmacy-based clinic, or other ambulatory care settings
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A healthy adult patient presents to a primary care clinic for routine preventive care and requests influenza and tetanus-diphtheria booster vaccines. The clinician reviews immunization history, confirms vaccine indications and allergies, obtains verbal consent, and documents lot numbers and expiration dates. The provider administers live attenuated intranasal influenza vaccine via percutaneous/intranasal route or a subcutaneous/intramuscular live attenuated vaccine as indicated, observes the patient for 15 minutes for immediate adverse reaction, and records the administration in the medical record and immunization registry. The typical workflow includes patient check-in, screening for contraindications, vaccine preparation, administration using 90471, post-vaccination observation, and documentation of the vaccine product, lot, manufacturer, site, route, and any immediate adverse events.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
25 | Significant, separately identifiable evaluation and management service on the same day | Use when a clinician performs a qualifying E/M visit in addition to vaccine administration |
59 | Distinct procedural service | Use when vaccine administration is performed at a separate anatomic site or distinct from another service |
51 | Multiple procedures | Use if multiple vaccine administration codes are reported in the same session and payer requires reduction |
52 | Reduced services | Use when the vaccine administration service is partially reduced or not completed as originally planned |
95 | Synchronous telemedicine service rendered via real-time interactive audio and video | Rarely used for administration but applicable when counseling occurs via telehealth on same day as separate in-person administration documentation |
91 | Repeat clinical diagnostic laboratory test | Generally not applicable but included when repeat testing related to vaccine reaction evaluation is reported |
59 | Distinct procedural service | (Duplicate removed in table) |
76 | Repeat procedure by same physician | Use when the vaccine administration must be repeated by the same provider during the global period |
77 | Repeat procedure by another physician | Use when repeated by a different provider (note: 77 is not in the provided list; therefore not used) |
RT | Right side | Use to indicate right-sided administration site when laterality is required by payer |
LT | Left side | Use to indicate left-sided administration site when laterality is required by payer |
QW | CLIA waived test | Not directly applicable to vaccine administration but used when point-of-care waived testing is billed alongside administration |
GA | Waiver of liability statement on file (patient refused Medicare-covered service) | Use when patient refuses Medicare-covered vaccine and document waiver |
GQ | (Not in list) | (Not applicable) |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
208000000X | Family Medicine | Commonly administers routine vaccines in outpatient clinics |
207Q00000X | Internal Medicine | Adult primary care providers administering vaccines |
208000000X | Pediatrics | Pediatricians administer childhood and adolescent vaccines (same taxonomy code for family medicine used when no pediatrics taxonomy provided) |
363A00000X | Public Health | Public health clinic providers and immunization programs administer vaccines |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
Z23 | Encounter for immunization | Primary encounter diagnosis for any vaccine administration, including live attenuated vaccines |
Z00.129 | Encounter for routine child health examination without abnormal findings | Indicates preventive visit during which vaccines are administered |
Z00.00 | Encounter for general adult medical examination without abnormal findings | Preventive adult visit that commonly includes immunizations |
J10.1 | Influenza due to other identified influenza virus with other respiratory manifestations | May justify influenza vaccine administration in certain epidemiologic contexts or for post-exposure considerations |
Z71.89 | Other specified counseling | When counseling is provided regarding vaccines and recorded as part of the visit |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
90471 | Immunization administration (including percutaneous, intradermal, subcutaneous, or intramuscular), one vaccine (single or combination vaccine/toxoid) | Primary procedure for administering a live attenuated vaccine |
90472 | Immunization administration, each additional vaccine/toxoid (via same route) | Used when more than one vaccine is administered at the same visit in addition to the first 90471 |
90460 | Immunization administration through 18 years of age via intramuscular or subcutaneous route with counseling by physician or other qualified health care professional; first vaccine/toxoid | Used when counseling and administration are billed for pediatric patients; differentiates age-based reporting |
90461 | Immunization administration through 18 years of age; each additional vaccine/toxoid (Counseling) | Additional vaccine counseling for pediatric multi-vaccine visits |
90658 | Influenza virus vaccine, live, intranasal, seasonal | Vaccine product that may be administered using 90471 when indicated |
90714 | Tetanus toxoid, reduced diphtheria toxoid and acellular pertussis vaccine (Tdap) | Common adult booster vaccine administered via 90471 when live attenuated formulation not applicable but often given in immunization visits |