Imaging

77066 - RVUs & Medicare payment (2026)

Diagnostic mammography, bilateral.

Component	Non-facility	Facility
Work RVU	0.98	0.98
Practice expense RVU	3.64	3.64
Malpractice RVU	0.08	0.08
Total RVUs	4.70	4.70
National payment (CF $33.4009)	$156.98	$156.98
Qualifying APM payment (CF $33.5675)	$157.77	$157.77

How 77066 payment varies by locality

Medicare adjusts payment with geographic practice cost indices, so the same code pays differently across the 109 fee schedule localities. In 2026, non-facility payment for 77066 ranges from $138.55 in Arkansas (AR) to $213.08 in San Jose-Sunnyvale-Santa Clara (CA); calculate 77066 for your locality.

San Jose-Sunnyvale-Santa Clara (CA) $213.08 San Jose-Sunnyvale-Santa Clara (CA) $212.71 San Francisco-Oakland-Berkeley (CA) $208.50 San Francisco-Oakland-Berkeley (CA) $208.40 Napa (CA) $196.39 Vallejo (CA) $196.26 Seattle (WA) $185.73 Santa Rosa-Petaluma (CA) $184.45 National average $156.98 … 97 more localities between … Alabama (AL) $140.63 Rest Of Missouri (MO) $140.14 Mississippi (MS) $139.39 Arkansas (AR) $138.55

Non-facility payment for 77066 in the 2026 fee schedule ($33.4009 conversion factor), before sequestration. Gray bar = national average.

Global period: XXX

No global period: the global surgery concept does not apply to this code.

Professional / technical split

77066 can be billed globally or split: modifier 26 for the professional component (interpretation) and TC for the technical component (equipment and staff).

Billing	Total RVUs (non-facility)	National payment
77066-26	1.39	$46.43
77066-TC	3.31	$110.56

Related codes - imaging

71045 · chest x-ray, single view
71046 · chest x-ray, 2 views
70450 · ct head/brain without contrast
70553 · mri brain without and with contrast
72100 · lumbar spine x-ray, 2-3 views
72148 · mri lumbar spine without contrast
73030 · shoulder x-ray, complete
73721 · mri lower-extremity joint without contrast
74177 · ct abdomen and pelvis with contrast
76700 · ultrasound, abdomen, complete
76805 · obstetric ultrasound, after first trimester
76856 · pelvic ultrasound, complete
77067 · screening mammography, bilateral

Frequently asked questions

How much does Medicare pay for 77066 in 2026?

The national non-facility payment is $156.98 and the facility payment is $156.98, using the standard $33.4009 conversion factor. Actual amounts vary by Medicare locality; use the RVU calculator for your area.

What is the work RVU for 77066?

The 2026 work RVU for 77066 is 0.98. Total RVUs are 4.70 in the non-facility setting and 4.70 in the facility setting.

Why are the facility and non-facility amounts different?

Only the practice expense component changes by setting. In an office (non-facility) the practice bears the overhead, so the PE RVU is higher; in a hospital or ASC the facility bills its own overhead separately.

Source: CMS Physician Fee Schedule relative value file (rvu26c.zip, retrieved 2026-07-11). Service description is an original plain-English summary, not CPT descriptor text. CPT® is a registered trademark of the American Medical Association. Amounts are estimates before sequestration and claim-level adjustments.