Summary & Overview
CPT 96377: On-Body Injector Application for Subcutaneous Timed Delivery
CPT code 96377 covers the preparation and application of an on‑body injector that, upon activation, inserts a subcutaneous cannula and delivers medication in timed increments. This code represents a device‑based administration service distinct from direct clinician-administered injections and is increasingly relevant as wearable automated delivery systems expand for oncology, biologic, and specialty drug therapies. Nationally, clear coding for device preparation and application affects billing consistency, coverage determinations, and care coordination for therapies requiring timed multi‑dose delivery.
Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of what CPT code 96377 represents clinically and operationally, common billing and documentation considerations tied to device‑based, programmed delivery, and typical sites of service where the procedure is provided. The publication also summarizes benchmark themes and recent policy considerations relevant to automated on‑body injectors, helping providers and billing teams understand coding context, payer coverage implications, and areas to monitor for policy updates or payer guidance.
Data not available in the input for payer‑specific reimbursement rates, associated ICD‑10 diagnoses, or related codes.
Billing Code Overview
CPT code 96377 describes filling and applying an on‑body injector device that, when activated, automatically inserts a subcutaneous cannula and delivers medication in timed increments. The service covers the process of preparing the specially developed injector, placing the device on the patient’s skin, and the device’s subsequent automated subcutaneous delivery of medication at programmed intervals.
Service type: Device preparation and application for automated subcutaneous medication delivery
Typical site of service: Outpatient clinic, infusion center, ambulatory surgical center, or physician office
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A 58-year-old patient with advanced colorectal cancer receives an on‑body subcutaneous infusion device prefilled by the clinic nurse with a chemotherapeutic or supportive medication (for example, granulocyte‑colony stimulating factor). The provider or trained staff applies the adhesive on‑body injector to the patient’s upper arm or abdomen in the outpatient oncology infusion clinic. The device is activated and adheres to the skin; after a programmed delay the cannula automatically inserts subcutaneously and delivers medication over timed intervals. Clinic staff document device identification, lot numbers, medication name and dose, insertion site, patient education on device care, and observation for immediate adverse reaction for the brief monitoring period in the clinic before the patient leaves. Typical workflow includes order verification, medication preparation under sterile technique, device fill and activation by qualified clinician, application to patient, short observation, and documentation of device function and patient tolerance. Typical site of service is an outpatient infusion or oncology clinic; applicable settings also include ambulatory surgery centers and skilled nursing facilities when on‑body delivery is clinically indicated.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier (standard) | Use when no specific billing modifier applies. |