Clearinghouse NCCI scrubbing setup: Guide to enabling pre-submission edit checking by PM platform

Every CO 97 denial that gets caught before submission costs nothing. The same denial caught after submission costs an average rework fee, plus the time to research the NCCI pair, fix the modifier, and resubmit. The fix for that gap already exists in most practice management systems and clearinghouses; it’s just often sitting turned off, … Read more

Global surgical package guide: reference page on 10-day and 90-day global period billing rules

One of the most common reasons a legitimate, separately payable service gets denied isn’t a coding mistake. It’s a misunderstanding of what’s already bundled into the surgery itself. The global surgical package is the single biggest source of CO 97 denials tied to surgical billing, and it trips up experienced coders just as often as … Read more

I Called Three Commercial Payers About Patellofemoral Arthroplasty Coding: 27438 vs. 27599

Short answer: CPT 27599 (unlisted femur/knee procedure) is the more technically accurate code for patellofemoral arthroplasty (PFA). But across three commercial payers I contacted directly, 27438 processes and pays without a flag while 27599 routes into manual pricing at 60–80% of the 27447 allowable. The right code depends on your payer, your documentation, and whether … Read more

I Called UnitedHealthcare, Cigna, and Aetna About Their CO-197 Criteria

Here’s What the Reps Actually Said vs. What the Policy States A CO-197 denial means the service required prior authorization and either it wasn’t obtained or it wasn’t valid. That’s what the policy says. It’s clean, short, and almost completely useless when you’re staring at a remit with a $4,200 denial and a 45-day timely … Read more

CPT 64772 vs 64999: Thumb CMC Joint Denervation Coding Guide

Category: Surgical Billing | Nerve Surgery | Orthopedic Hand Surgery Coding Reading Time: 9 minutes Last Updated: June 2026 CPT 64999 is the more defensible billing choice for selective thumb CMC joint denervation. This applies when the surgeon has addressed the superficial radial nerve branches. It also applies when the lateral antebrachial cutaneous nerve branches … Read more

Billing Medicare Secondary When Global Imaging Code (74181) Was Paid by Primary Insurance: A Complete Guide to the CMS Anti-Markup Rule

Introduction: The Conflict Between Commercial and Medicare Billing Rules Medical billing professionals who handle coordination of benefits claims frequently encounter a challenging scenario: a global imaging code such as CPT 74181 (MRI abdomen without contrast) was correctly billed and paid by a commercial primary insurer, but the claim must now be submitted to Medicare as … Read more