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    v1.0.28
    OpenPayerBilling CodesVaccines, ToxoidsCPT cpt-90648-hib-vaccine-prp-t-conjugate-4-dose
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    CPT 90648: Haemophilus influenzae type b (Hib) PRP–T Conjugate IM Vaccine

    CPT code 90648 describes a Haemophilus influenzae type b (Hib) vaccine product using a PRP–T conjugate formulated for intramuscular administration as part of a four-dose pediatric immunization series; service type is vaccine administration and the typical site of service is outpatient clinic or pediatric office for routine childhood immunization visits.

    For related coverage guidance, see recent payer policy updates: B-Hemolytic Streptococcus Testing, Human Immunodeficiency Virus (HIV) — Coverage Criteria for Testing and Resistance Assays, Hepatitis Testing (A, B, C, D) Coverage Criteria.

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    Clinical & Coding Specifications

    Clinical Context

    A 2-month-old infant presents to a pediatric clinic for routine immunizations during a well-child visit. The infant receives the Haemophilus influenzae type b (Hib) vaccine formulation containing a PRP–T conjugate administered intramuscularly in the anterolateral thigh. The clinical workflow includes vaccine screening for contraindications and allergies, parental consent, preparation of the single-dose syringe, administration with aseptic technique, documentation of lot number, expiration date, manufacturer, site and route of administration, and provision of the Vaccine Information Statement (VIS). Observation for 15 minutes post-injection for immediate adverse reactions is completed, and the visit is coded using 90648 for the vaccine product and an appropriate evaluation and management code for the well-child visit if billed separately.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99213Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutesCommon E/M code used for a well-child or sick visit during which 90648 may be administered and documented separately when applicable.
    90460Immunization administration through 18 years of age via any route with counseling by physician or other qualified health care professional; first vaccine/toxoid componentUsed to report the administration service for the first vaccine component when counseling is provided on the same day as 90648 for pediatric patients.
    90461Each additional vaccine/toxoid component (List separately in addition to code for primary service)Used when multiple vaccine components are administered during the same encounter alongside 90648.
    96110Developmental screening, limited (e.g., with a standardized tool)Often performed during well-child visits when vaccines like 90648 are administered; supports preventive care coding when applicable.
    99070Supplies and materials (e.g., bandages, syringes) provided by the physician over and above those usually included with the office visitUsed to bill for additional supplies related to vaccine administration when allowed by payers.

    Related Modifiers

    8 rows

    ModifierDescriptionWhen to Use
    25CPT modifier 25 indicates that on the same day as another procedure or service, the same physician or other qualified health care professional provided a significant, separately identifiable…- When to apply: Use modifier 25 only on an E/M code to indicate the same provider delivered a significant, separately identifiable E/M service on the same day as another procedure or service — i.e.,…
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…
    51Modifier –51 (Multiple Procedures) is used when the same provider performs multiple procedures in the same session to identify secondary, non‑exempt procedures and indicate payment reduction logic…- Use modifier -51 when the same provider performs multiple distinct procedures during the same patient encounter: report the highest‑valued procedure first (no modifier) and append -51 to…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    76Modifier -76, Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional, is appended when the same provider performs an identical, medically necessary procedure or…- Use modifier -76 when the same physician or other qualified health care professional performs an identical procedure or service a second (or subsequent) time on the same date of service and the…
    95Modifier 95 indicates that a service was provided via synchronous, real‑time audio‑video telehealth rather than in‑person. Per CMS, AAPC and professional associations, append modifier 95 to claim…- Use modifier 95 to indicate a service was furnished via synchronous, real‑time audiovisual telehealth (a live audio‑video conference between patient and provider) rather than in‑person. - Pair…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    207Q00000XFamily Medicine PhysicianFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadt…
    364S00000XClinical Nurse SpecialistA registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses…
    163W00000XRegistered Nurse(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive…
    2080P0008XPediatric Neurodevelopmental Disabilities PhysicianA pediatrician who specializes in the treatment of individuals with developmental delays and learning disorders associated with cerebral palsy, spina …
    103GC0700XDeactivated - Clinical Neuropsychologist
    2279H0200XHome Health Registered Respiratory TherapistHome care fosters individual responsibility for self-management of chronic respiratory conditions. It includes individualized assessment based plans …
    156FX1101XOphthalmic AssistantAn ophthalmic assistant assists ophthalmologists by performing duties including, but not limited to, patient charting, patient education, and basic ey…
    133VN1501XSports Dietetics Nutrition Registered DietitianAn individual who is a Board Certified Specialist in Sports Dietetics and applies evidence-based nutrition knowledge in exercise and sports. RDNs spec…

    Related Payer Policy Updates

    Specialty: Infectious Disease1 / 3

    10 rows

    PolicyPayerEffective Date
    B-Hemolytic Streptococcus TestingOscar Health2026-10-01
    Human Immunodeficiency Virus (HIV) — Coverage Criteria for Testing and Resistance AssaysOscar Health2026-10-01
    Hepatitis Testing (A, B, C, D) Coverage CriteriaOscar Health2026-10-01
    Lyme Disease Testing Coverage CriteriaOscar Health2026-10-01
    Pathogen Panel TestingOscar Health2026-10-01
    Diagnostic Testing of Common Sexually Transmitted InfectionsOscar Health2026-10-01
    Testing for Diagnosis of Active or Latent TuberculosisOscar Health2026-10-01
    Testing for Vector-Borne InfectionsOscar Health2026-10-01
    Coronavirus Testing in the Outpatient SettingOscar Health2026-10-01
    Human Immunodeficiency Virus (HIV)blue cross blue shield - louisiana2026-09-15

    Related Codes

    CPT-90476-ADENOVIRUS-TYPE-4-ORAL-VACCINE-ADMINISTRATION

    CPT 90476: Oral Live Vaccine for Adenovirus Type 4

    CPT-90477-ORAL-LIVE-ADENOVIRUS-TYPE-7-VACCINE

    CPT 90477: Oral Live Adenovirus Type 7 Vaccine Administration

    CPT-90581-ANTHRAX-VACCINE-INJECTION

    CPT 90581: Anthrax Vaccine, Injection

    CPT-90584-QUADRIVALENT-LIVE-DENGUE-VACCINE-SUBCUTANEOUS

    CPT 90584: Quadrivalent Live Dengue Vaccine, Subcutaneous, Two-Dose

    CPT-90585-TB-LIVE-INTRADERMAL-VACCINE

    CPT 90585: Live Tuberculosis Vaccine Administered Through the Skin

    CPT-90586-INTRAVESICAL-LIVE-VACCINE-BLADDER-CANCER

    CPT 90586: Intravesical Live Vaccine for Bladder Cancer

    CPT-90587-DENGUE-VACCINE-SUBCUTANEOUS-THREE-DOSE

    CPT 90587: Quadrivalent Live Dengue Vaccine, Subcutaneous, Three-Dose

    CPT-90589-CHIKUNGUNYA-VACCINE-INTRAMUSCULAR-LIVE-ATTENUATED

    CPT 90589: Chikungunya Vaccine, Live Attenuated, Intramuscular

    CPT-90593-RECOMBINANT-CHIKUNGUNYA-VACCINE-INTRAMUSCULAR

    CPT 90593: Recombinant Chikungunya Vaccine, Intramuscular

    CPT-90611-SMALLPOX-MONKEYPOX-VACCINE-SUBCUTANEOUS-05ML

    CPT 90611: Combined Smallpox and Monkeypox Vaccine, Subcutaneous 0.5 mL

    Showing 1–10 of 101

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    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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