CPT 90589: Chikungunya Vaccine, Intramuscular, Live Attenuated

CPT code 90589 denotes a live, attenuated chikungunya virus vaccine administered via intramuscular injection. This code identifies the vaccine product itself and is relevant nationally as chikungunya prevention becomes a higher priority for public health programs and outpatient immunization services. Use of this code enables consistent reporting for coverage decisions, inventory tracking, and aggregate vaccine uptake assessments.

Key payers typically relevant for coverage and claims processing include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find benchmarks and policy-oriented context around payer coverage patterns, coding and billing considerations for vaccine administration services, and clinical context for where and how this vaccine is typically delivered. The analysis outlines common modifiers and service line implications where available, and notes areas where input data was not provided.

This summary is intended for administrators, coding professionals, and payers seeking a concise reference to the clinical and billing identity of CPT code 90589, its role in outpatient vaccination workflows, and the payer landscape commonly involved in vaccine reimbursement discussions.

Billing Code Overview

CPT code 90589 represents a vaccine product administered intramuscularly to protect against chikungunya virus. The vaccine uses a live, attenuated (weakened) virus to stimulate an immune response.

Service Type: Vaccine administration — intramuscular

Typical Site of Service: Outpatient clinic, primary care office, public health clinic, or designated vaccination site.

Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes.

Clinical Context

A 32-year-old adult presents to a public health clinic for routine immunization prior to travel to a chikungunya-endemic region. The patient has no acute illness, has completed screening for contraindications to live vaccines (no pregnancy, no severe immunocompromise, no recent receipt of blood products), and consents to vaccination. The clinic nurse verifies immunization history, documents prior adverse reactions, and performs intramuscular administration of the live, attenuated chikungunya vaccine using standard aseptic technique. Post-vaccination, the patient is observed for 15–30 minutes for immediate adverse reactions. Documentation includes vaccine lot number, expiration date, administration site, dose, informed consent, and any observed adverse events. Billing uses 90589 for the vaccine product administered intramuscularly to protect against chikungunya virus. Typical sites of service include outpatient clinics, public health vaccination centers, travel medicine clinics, and community health centers.

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier	Use when no special circumstances apply to the service.
`22`

Taxonomy Code	Specialty	Notes
363L00000X	Infectious Disease	Specialists may recommend or supervise vaccination programs for travelers and outbreak response.
207Q00000X	Family Medicine	Commonly administer vaccines in outpatient and travel clinic settings.
207R00000X	Internal Medicine	Primary care physicians frequently provide adult vaccinations.
363A00000X	Public Health & General Preventive Medicine	Public health clinicians manage vaccination campaigns and documentation.
177K00000X	Emergency Medicine	May administer vaccines in urgent care or ED settings when appropriate.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Z23`	Encounter for immunization	Primary diagnosis code used when administering routine or travel vaccines such as `90589`.
`Z29.2`	Need for prophylactic vaccination and inoculation against single disease	Used to indicate prophylactic intent for chikungunya vaccination.
`Z76.89`	Persons encountering health services in other specified circumstances	May be used for travel clinic encounters incorporating vaccination services.
`O09.219`	Supervision of high-risk pregnancy, unspecified trimester	Example of a code that would contraindicate live vaccines; document contraindications rather than using this for vaccination visits.
`Z71.82`	Pre-travel counseling and advice	Often accompanies travel vaccine visits where `90589` is administered.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`90460`	Immunization administration through 18 years of age, with counseling by physician or other qualified health care professional; first vaccine/toxoid component	Use when counseling and administration occur for pediatric patients; not directly for adult `90589` but relevant in clinics offering age-based immunizations.
`90461`	Immunization administration through 18 years of age, with counseling; each additional vaccine/toxoid component	Use for additional components during the same pediatric visit; relevant in multi-vaccine encounters at clinics that may also offer `90589`.
`90471`	Immunization administration (intramuscular, intranasal), single or combination vaccine/toxoid; age 18 years or older, first vaccine	Use when billing for the administration service for an adult receiving `90589` if payer requires separate administration code.
`90472`	Immunization administration (intramuscular, intranasal), each additional vaccine (single or combination vaccine/toxoid)	Use when multiple adult vaccines are administered during the same encounter with `90589`.
`90715`	Tetanus and diphtheria toxoids and acellular pertussis vaccine (Tdap)	Commonly co-administered or given in travel medicine visits alongside `90589` depending on patient needs.
`96372`	Therapeutic, prophylactic, or diagnostic injection (subcutaneous or intramuscular); each separate injection	Alternative administration code used by some payers for intramuscular injections when immunization-specific administration codes are not used; may be used for `90589` billing workflows.

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Summary & Overview