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Denials on Unilatera Breastl Mammogram Screenings with Tomosynthesis

We have been getting denial on patients that come in for annual mammogram screenings with Tomosynthesis. These patients have had a unilateral mastectomy. For example, the patient came in for a Mammogram screening with Tomosynthesis of the left breast we would code is as follows:

77067-52, LT, Z85.3 (hx of breast CA), Z90.11 (absence of right breast)

Is this correct? This is how we coded them, and recently we have been getting denials. Please help!! :)

Medical Billing and Coding Forum

Mammogram Screening

I received a denial from Medicaid when using CPT code 77067. They stated that I needed to add a modifier on it. I was under the impression that since the code it self is for a bilateral screening that it doesn’t require a modifier. No other carriers are requesting a modifier for this code. Can someone please give me some insight on this?

Medical Billing and Coding Forum

2018 CPT code changes for Mammogram


Effective for claims with dates of service on or after January 1, 2018, the HCPCS codes G0202, G0204 & G0206 will be replaced by the following CPT codes:

77067 – “screening mammography, bilateral (2-view study of each breast), including CAD when performed”
77066 – “diagnostic mammography, including (CAD) when performed; bilateral” and
77065 – “diagnostic mammography, including CAD when performed; unilateral”.

As part of the January 2017 HCPCS code update, code G0389 was replaced by CPT code 76706. Type of Service (TOS) “5” was assigned to 76706, and the coinsurance and deductible were waived.

Effective January 1, 2018, the TOS for 76706 will be changed to “4” as part of the 2018 HCPCS update; the coinsurance and deductible will continue to be waived.


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