Summary & Overview

CPT 90593: Recombinant Chikungunya Vaccine, Intramuscular

CPT code 90593 identifies a recombinant chikungunya virus vaccine administered intramuscularly to prevent chikungunya infection. As chikungunya vaccination becomes part of clinical prevention strategies, a distinct CPT code for the vaccine product is important for standardized reporting, coverage determinations, and national immunization program planning. The code covers the vaccine product itself rather than separate administration-only services.

Key payers included in this national overview are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find context on the clinical purpose of the vaccine, common sites of service for administration, and the payer landscape addressed in the analysis. The publication summarizes coding implications, typical billing considerations, and how payers approach coverage and claims processing for new vaccine products.

This summary provides clinicians, billing teams, and policy stakeholders with a concise reference on CPT code 90593, what it represents clinically, and what to expect in payer coverage discussions. Data not available in the input is noted where applicable, and the main content focuses on benchmarks, policy updates, and the clinical context surrounding deployment of a recombinant chikungunya vaccine at the national level.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare90593CPTchikungunyavaccineimmunizationrecombinant vaccineintramuscularoutpatientpublic health

Billing Code Overview

CPT code 90593 represents a recombinant chikungunya virus vaccine administered intramuscularly. This code denotes the vaccine product itself and the act of providing immunization to protect individuals against chikungunya virus infection.

Service Type: Vaccine administration / Immunization product

Typical Site of Service: Outpatient clinic, primary care office, public health clinic, or other ambulatory care settings

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 34-year-old international aid worker presents to an outpatient travel medicine clinic for pre-deployment immunizations prior to assignment to a chikungunya-endemic region. After review of immunization history and contraindications, the clinician administers the recombinant chikungunya vaccine intramuscularly using CPT 90593. The workflow includes: obtaining informed consent, screening for allergies and pregnancy status, documenting vaccine lot number and administration site, observation for 15–30 minutes for immediate adverse reactions, and recording the vaccination in the patient’s permanent immunization record and state immunization registry. Post-vaccine counseling is provided on expected local and systemic reactions and when to seek care. Typical sites of service are outpatient clinics, primary care offices, occupational health clinics, travel clinics, and public health vaccination centers. The service type is a vaccine administration event of a recombinant intramuscular chikungunya vaccine for preventive immunization in an eligible adult or adolescent population.

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier	Use when no modifier applies and standard reporting is required.
`22`

Taxonomy Code	Specialty	Notes
207Q00000X	Family Medicine	Primary clinicians who commonly provide travel and routine immunizations.
207R00000X	Internal Medicine	Adult primary care clinicians providing preventive vaccines.
363A00000X	Preventive Medicine	Physicians specializing in travel and preventive immunization programs.
367A00000X	Emergency Medicine	Emergency departments may administer vaccines in public health initiatives or post-exposure contexts.
163W00000X	Physician Assistant	Common non-physician clinicians who administer vaccines in outpatient settings.

ICD-10 Code	Description	Clinical Relevance
Data not available in the input.	Data not available in the input.	Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`90460`	Immunization administration through 18 years of age via any route of administration, with counseling by physician or other qualified health care professional; first vaccine/toxoid component	Use when counseling is provided and administration is billed for pediatric patients; not typically used for adult chikungunya vaccine but relevant if given to adolescents within age limits.
`90461`	Immunization administration through 18 years of age, each additional vaccine/toxoid component	Use for additional vaccine components administered during the same visit for pediatric patients.
`90471`	Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular) for one vaccine (single or combination vaccine/toxoid)	Use for reporting standalone IM vaccine administration for adults when payer prefers this administration code instead of vaccine product code; may be billed in addition where applicable per payer policy.
`90472`	Immunization administration for each additional vaccine (single or combination vaccine/toxoid)	Use for additional vaccines administered during the same encounter.
`90732`	Hepatitis A vaccine, adult dosage, intramuscular, for intramuscular use	Example of other single-antigen adult IM vaccines commonly administered in travel clinics alongside `CPT 90593`.
`90636`	Influenza virus vaccine, quadrivalent, split virus, preservative-free, for intramuscular use	Example of seasonal adult IM vaccines that may be administered in the same clinic workflow.

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