tci Part B Insider - 2003 Issue 8
MODIFIERS: Your Billing May Revolve Around Global Periods
If a patient comes back after surgery with a problem related to the diagnosis that caused surgery but unrelated to the surgery itself, how should you bill for it? These are the kinds of problems that many coders struggle with daily, says Marcella Bucknam, CPC, CCS-P, CPC-H, HIM coordinator at Clarkson College in Omaha. Understanding the circumstances under which you should use modifiers -24, -25 or -57 means understanding how global periods work. For example, many coders don't understand that any surgery with a 90-day global period will also have a one-day period before surgery covering presurgery services. But...
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