Name of Manual - Blue Cross and Blue Shield of Minnesota

Coding Policies and Guidelines (Radiology Services)
Diagnostic and
Screening
Mammogram
Generally, screening and diagnostic services done on the same day
are considered mutually exclusive and the screening service will
be denied. However, if a diagnostic mammogram is followed by a
screening mammogram on the same day, both may be allowed.
The modifier –GG must be appended to the diagnostic
mammogram code.
76140 Code 76140 (consultation on X-ray examination made elsewhere,
written report) is considered an overread, thus it is not allowed.
Overreads are an additional interpretation of a film and as such, are
not billable to the plan or the patient as a separate charge.
Comparison X-ray X-rays taken for comparison purposes are generally not covered.
Re-X-rays are allowed if performed at different times of day or
before and after surgery, such as orthopedic procedures including
casting. Appending a repeat modifier (-76 or -77) will not be
allowed; however, the repeat charge may be considered on appeal.
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Blue Cross and Blue Shield of Minnesota Provider Policy and Procedure Manual (03/06/2012)