CPT code 96370: Subcutaneous infusion, each additional hour2026 Medicare rate & RVUs

Medicare pays $17.03 for 96370 nationally in the office. Local office rates run $15.37–$22.27.

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

What 96370 covers

This add-on represents additional time for a medication delivered by continuous subcutaneous infusion, typically through an infusion pump and subcutaneous site. It is used in office or outpatient care when the infusion continues beyond the initial hour represented by 96369. Clinical staff commonly perform the infusion under physician supervision as an incident-to service.

Report it with 96369, the primary subcutaneous infusion service, only when documented infusion time extends more than 30 minutes beyond the initial hour. Record the medication, subcutaneous route, start and stop times, total infusion duration, and relevant pump or site details. CMS treats 96370 as an add-on paid within the primary procedure's global period. It is billed only when performed under physician supervision; it is not a separate professional or technical component.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

Where 96370 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 of 109 payment localities

96370 rates by state

Office rate range in each state. Select a state to see its payment localities.

How the 96370 rate is calculated

Each of 96370’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

Payment rules and modifiers for 96370

The CMS indicators that decide how 96370 is paid alongside other services.

96370 compared with similar codes

How to choose

96369Subcutaneous infusionInitial, up to one hour

96369 represents the initial subcutaneous infusion service, while 96370 represents qualifying additional infusion time beyond that initial service.

96371Infusion setupAdditional pump setup or site

96371 addresses additional pump setup or infusion sites; 96370 addresses additional infusion duration.

96372SC/IM injectionTherapeutic, prophylactic, or diagnostic

96372 is for a subcutaneous or intramuscular injection. Use 96370 only when medication is delivered by subcutaneous infusion for additional time.

96366IV infusion add-on hourTherapeutic or diagnostic, each additional hour

96366 represents additional time for an intravenous infusion. 96370 is for additional time with a subcutaneous infusion.

Codes related to 96370

Related codes aren’t interchangeable: bill the code that matches the service performed.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates