Answer: If the heart cath is scheduled which seems to be the case here no E/M service may be billed, says Sandy Rubio, RN, CPC, a cardiology coding and reimbursement specialist in Omaha, Neb., because the medical decision-making that determined the need for the cath has already been performed (apparently by the referring cardiologist).
An E/M service may be billed additionally by the cardiologist who performs the cath only if:
The patient arrives at the hospital and the cardiologist determines that the patient requires an emergency cardiac catheterization. In this case, because the E/M led to the decision to perform the procedure, it is separately payable. Modifier -25 (significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure or other service) should be appended to the E/M service code.
The patient had other problems either before or after the heart cath was performed.
Rubio also notes that the heart cath has a 24-hour (0-day) global period. This means that if the patient is discharged from the hospital the following day, no discharge should be billed unless the patient needed to be followed for a reason over and above routine follow-up care for the cath (such as hypertension). In that case, modifier -24 (unrelated evaluation and management service by the same physician during a postoperative period) should be appended to the E/M code.
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