CPT code 61799: Cranial radiosurgery, each additional complex lesion2026 Medicare rate & RVUs in Washington, DC area

In Washington, DC area, Medicare pays $300.99 for 61799 in a facility. There’s no office rate.

Check a contract rate as a % of Medicare · 61799 nationwide

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

What 61799 covers

This add-on represents treatment of another complex intracranial lesion during cranial stereotactic radiosurgery. SRS delivers focused radiation to a defined target using stereotactic localization. Neurosurgeons and radiation oncologists may participate in planning and treatment, commonly for intracranial tumors or vascular lesions. The complex-versus-simple classification follows the applicable CPT criteria; the lesion diagnosis alone does not establish the code level.

Report 61799 for each additional complex lesion treated in the same service, with 61798 for the primary complex lesion. The record should support the number of distinct lesions treated and the basis for classifying them as complex under CPT guidance. CMS identifies 61799 as an add-on code: it is billed only with a primary procedure and paid within that procedure’s global period.

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.

How Washington, DC area compares for 61799

Across 109 of 109 payment localities, the facility rate for 61799 runs from $228.66 in Wisconsin to $376.35 in Miami, FL. Washington, DC area pays $300.99. The RVUs are the same everywhere; the geographic indexes change the dollars.

Every other payment area

61799 rates by state

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

See 61799 in every payment locality

How the 61799 rate is calculated

Each of 61799’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 61799

The CMS indicators that decide how 61799 is paid alongside other services.

What modifiers do to the payment

When to use modifier 80

Codes related to 61799

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

How 61799 has changed in Washington, DC area

Price 61799 for an earlier date of service

Where the Washington, DC area rate applies

Washington, DC area is a Medicare payment area, not a city. Our Census mapping connects it to 1 cities and communities in District of Columbia. Some span more than one payment area; confirm with the service ZIP.

• Washington

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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