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    v1.0.30
    OpenPayerBilling CodesMedical And Surgical SuppliesHCPCS hcpcs-a4210-needle-free-injection-device
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    HCPCS Level II A4210: Needle-free Injection Device, Each

    HCPCS Level II code A4210 describes a needle-free injection device, each, a single-use or reusable device designed to deliver medication without a traditional needle; service type is durable medical equipment / injection delivery device, and the typical site of service is outpatient clinics, physician offices, home health, or other ambulatory settings where injections or medication administration occur without needle use.

    For related coverage guidance, see recent payer policy updates: Diabetic Supplies, Radiofrequency Ablation for Thyroid Nodules, Continuous Glucose Monitoring and Insulin Delivery for Managing Diabetes (for Idaho Only).

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    Clinical & Coding Specifications

    Clinical Context

    A typical patient scenario involves an adult with diabetes requiring subcutaneous medication administration who is prescribed a needle-free injection device (A4210) to deliver insulin or other subcutaneous therapies without the use of a conventional needle. The device is provided during an outpatient clinic visit, durable medical equipment distribution, or pharmacy pick-up. Clinical workflow: the prescribing clinician documents the medical necessity in the chart (diagnosis, reason for needle-free delivery, and expected benefit), sends a prescription to durable medical equipment (DME) supplier or pharmacy, the supplier verifies coverage and obtains prior authorization if required, dispenses the device, and provides patient education on device operation and safe disposal of associated consumables. Follow-up occurs in subsequent primary care or endocrinology visits to assess glycemic control, device use adherence, and any device-related skin reactions or delivery failures.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99401Preventive medicine counseling and/or risk factor reduction intervention(s) provided to an individual, approximately 15 minutesPatient education on device use, injection technique, and safety counseling often billed alongside initial device provision.
    99402Preventive medicine counseling and/or risk factor reduction intervention(s) provided to an individual, approximately 30 minutesExtended education and demonstration session for complex device training or comorbidity counseling.
    96372Therapeutic, prophylactic, or diagnostic injection (specify substance and route)Administration of a medication via injection during a visit when a clinician directly administers the drug rather than prescribing the device for home use.
    99070Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visitUse for additional non-covered supplies related to device demonstration, disposable components, or training materials.
    99173Screening test of visual acuity, quantitative, bilateralNot directly related to A4210; included only if vision screening is part of assessment when visual impairment impacts device operation.

    Related Modifiers

    6 rows

    ModifierDescriptionWhen to Use
    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…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
    80CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…
    82Modifier 82 is appended to a surgical CPT code to indicate that an attending physician acted as an assistant because a qualified resident surgeon was unavailable. In teaching hospitals it documents…- When to use: Append modifier 82 in teaching-hospital settings to indicate a physician served as an assistant surgeon because a qualified resident surgeon was unavailable (includes situations where…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207Q00000X
    207R00000X
    207RE0101X
    363A00000X
    103T00000X
    208100000X
    246ZC0007X
    2278P1006X

    Related Payer Policy Updates

    Specialty: Endocrinology1 / 3

    10 rows

    PolicyPayerEffective Date
    Diabetic SuppliesCigna2026-10-15
    Radiofrequency Ablation for Thyroid NodulesCigna2026-10-15
    Continuous Glucose Monitoring and Insulin Delivery for Managing Diabetes (for Idaho Only)UnitedHealthcare2026-10-01
    Tzield (teplizumab-mzwv) CoverageUnitedHealthcare2026-10-01
    Continuous Glucose Monitoring and Insulin Delivery for Managing Diabetes (for Indiana Only)UnitedHealthcare2026-10-01
    Medical Necessity Guidelines Insulin PumpsMass General Brigham Health Plan2026-10-01
    Medical Necessity Guidelines: Continuous Glucose MonitorsMass General Brigham Health Plan2026-10-01
    Continuous Glucose MonitoringAmbetter Nevada2026-10-01
    Salivary Hormone TestingOscar Health2026-10-01
    Bone Turnover Markers TestingOscar Health2026-10-01

    Related Codes

    HCPCS-A4206-STERILE-SYRINGE-1CC-NEEDLE

    HCPCS A4206: Syringe with Needle, 1 cc or Less, Sterile

    HCPCS-A4207-STERILE-2CC-SYRINGE-WITH-NEEDLE

    HCPCS Level II A4207: Syringe with Needle, Sterile 2 cc

    HCPCS-A4208-STERILE-3CC-SYRINGE-WITH-NEEDLE

    HCPCS Level II A4208: Syringe with Needle, Sterile 3 cc

    HCPCS-A4209-STERILE-SYRINGE-WITH-NEEDLE-5CC-OR-GREATER

    HCPCS Level II A4209: Syringe with Needle, Sterile 5 cc or Greater

    HCPCS-A4211-SUPPLIES-SELF-ADMINISTERED-INJECTIONS

    HCPCS Level II A4211: Supplies for Self-Administered Injections

    HCPCS-A4212-NON-CORING-NEEDLE-STYLET-CATHETER-ACCESS-SUPPLY

    HCPCS Level II A4212: Non-coring Needle or Stylet with/without Catheter

    HCPCS-A4213-STERILE-SYRINGE-20CC-OR-GREATER

    HCPCS Level II A4213: Syringe, Sterile, 20 cc or Greater, Each

    HCPCS-A4215-STERILE-NEEDLE-SINGLE-EACH

    HCPCS Level II A4215: Needle, Sterile, Any Size

    HCPCS-A4216-STERILE-DILUENT-FLUSH-10ML

    HCPCS Level II A4216: Sterile Diluent/Flush, 10 ml

    HCPCS-A4217-STERILE-WATER-SALINE-500ML

    HCPCS Level II A4217: Sterile Water/Saline, 500 mL

    Showing 1–10 of 633

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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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