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2025 CPT code 90656

Influenza virus vaccine, trivalent (IIV3), split virus, preservative free, 0.5 mL dosage, for intramuscular use.

This code should be reported in conjunction with an immunization administration code (e.g., 90460, 90461, 90471, 90472) for administrations other than COVID-19 vaccines. For COVID-19 vaccines, use 90480. Do not use modifier 51 with this code when an administration code is also reported.

Modifier 51 should not be reported with 90656 when reported with immunization administration codes.

Influenza vaccination is medically necessary for the prevention of influenza infection, especially in high-risk populations such as young children, the elderly, and individuals with chronic health conditions.

The provider discusses the risks, benefits, and potential side effects of the vaccine with the patient, parent, or guardian. After obtaining consent, the provider administers the vaccine intramuscularly.

IMPORTANT For a 0.25 mL dosage of preservative-free influenza vaccine, use 90655. For a 0.5 mL dosage of preservative-containing trivalent influenza vaccine, use 90658. For a 0.25mL dosage of preservative-containing influenza vaccine, use 90657.Other influenza vaccine codes may exist within the 90476-90759 range.

In simple words: This code describes an injection of a flu shot into a patient's muscle. The vaccine protects against three different types of flu and is preservative-free.

This code represents the administration of a 0.5 mL dose of a trivalent, split virus, preservative-free influenza vaccine into a muscle.It is intended for individuals 3 years and older.

Example 1: A 5-year-old child receives their annual flu shot., A 70-year-old patient with a history of asthma receives the influenza vaccine., A pregnant woman receives the flu shot during her second trimester.

Documentation should include the date of administration, vaccine manufacturer, lot number, dosage, route of administration (intramuscular), site of administration, and any adverse reactions.

  • Specialties:Family Medicine, Internal Medicine, Pediatrics, Public Health
  • Place of Service:Office, Inpatient Hospital, Outpatient Hospital, Pharmacy, Public Health Clinic
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