In today’s complex healthcare environment, accurate medical coding is more important than ever. A single error can lead to claim denials, compliance risks, or even revenue loss for your practice. Unfortunately, many providers face recurring coding challenges that go unnoticed until they start seeing reduced collections or audit flags.
At Sherlainco LLC, we specialize in helping healthcare providers avoid these pitfalls. In this blog, we’ll explore the five most common medical coding mistakes and how to prevent them.
Using outdated CPT/ICD codes → leads to denials.
Missing modifiers → lowers reimbursement.
Upcoding or undercoding → compliance risks & lost revenue.
Poor documentation → coding gaps.
gnoring payer-specific rules → unnecessary rejections.
Medical coding mistakes may seem minor, but they add up to thousands of dollars in lost revenue and unnecessary compliance risks. By identifying and preventing these errors, your practice can achieve faster reimbursements and stronger financial health.
At Sherlainco LLC, our certified coders and billing experts provide specialty-specific coding, proactive audits, and continuous compliance monitoring. We don’t just code—we help you prevent denials before they happen.

