M144M-series (Medicare line-level)Coding & Bundling
M144: Pre/post-op care included in surgical payment
The visit falls inside the surgical global period and its payment is bundled into the surgery's allowance.
Commonly appears with these denial codes
The denial code gives the category; M144 pinpoints the specific problem. Read them together before touching the claim.
What to do about it
If the visit was unrelated to the surgery or a decision-for-surgery E/M, append the correct modifier (24, 25, 57, 79) and rebill with documentation.
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