1995 & 1997 DOCUMENTATION GUIDELINES

Note that the description for code 77055 is for a unilateral (one side) mammogram. 77056 is the correct code for a bilateral mammogram. Use of modifier -50 for bilateral is not appropriate when CPT code descriptions differentiate between unilateral and bilateral. ... He was found on recent labs to have an elevated PSA at the level of 4.5. He ... ................
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