CPT Code Overview

CPT code 90677 represents the administration of the pneumococcal conjugate vaccine, 20-valent (PCV20) for intramuscular use. This vaccine is designed to protect against 20 different serotypes of Streptococcus pneumoniae, a leading cause of pneumonia and other serious infections. The service type is Vaccines, Toxoids, and it is typically provided in an office setting (POS 11). The introduction of PCV20 expands the range of pneumococcal protection available to patients, supporting preventive care efforts in clinical practice.

Clinical Context

A patient, such as a child or adult, presents to a primary care office (Place of Service 11) for routine immunization. The provider, who may be a pediatrician, family medicine physician, obstetrician/gynecologist, infectious disease physician, or general practitioner, assesses the patient's vaccination history and determines that administration of the pneumococcal conjugate vaccine, 20-valent (PCV20), is indicated. The vaccine is given intramuscularly during the encounter, and documentation reflects the preventive nature of the service. The workflow includes verifying eligibility, obtaining consent, administering the vaccine, and recording the immunization in the patient's medical record.

Coding Specifications

• Modifiers:

  • Modifier SL: Indicates the vaccine was supplied by the state, typically used when the vaccine is provided at no cost to the provider through a state program.
  • Modifier 33: Denotes that the service is preventive, used for immunizations and other preventive services.

• Provider Taxonomies:

These taxonomies represent the specialties commonly administering the pneumococcal conjugate vaccine.

Related Diagnoses

• Z23: Encounter for immunization
  • Used to indicate that the visit is for the purpose of receiving an immunization. This diagnosis is clinically relevant as it justifies the administration of the pneumococcal conjugate vaccine and is commonly paired with vaccine CPT codes in preventive care encounters.

Related CPT Codes

• 90671: Pneumococcal conjugate vaccine, 15‑valent (PCV15), for intramuscular use

  • Used as an alternative to 90677 when a 15-valent vaccine is indicated instead of the 20-valent. Selection depends on patient age, risk factors, and immunization guidelines.

• 90732: Pneumococcal polysaccharide vaccine, 23‑valent, adult or immunosuppressed patient dosage, when administered to individuals 2 years or older, for subcutaneous or intramuscular use

  • Used in adults or immunosuppressed patients as an alternative or in addition to 90677, depending on clinical recommendations. May be administered sequentially with conjugate vaccines in certain scenarios.

These codes are related as alternatives or adjuncts in pneumococcal immunization workflows. They are not typically billed together unless clinically indicated.

National mean rates for CPT code 90677 among commercial payers range from $297.95 for Blue Cross Blue Shield to $326.34 for UnitedHealth Group. The BUCA average (all major commercial payers) is $310.49. Medicare rates are not available in the input, so a direct comparison is not possible.

Rate dispersion varies significantly across payers. Cigna shows the tightest range, with its 25th, 50th, and 75th percentiles all at $308.00, indicating minimal variation. UnitedHealth Group has the widest spread, with a difference of $58.50 between its 75th and 25th percentiles. Blue Cross Blue Shield and Aetna also display moderate dispersion, while BUCA's range is $36.50.

The table and chart below present the full breakdown of national benchmarks for each payer.