ICD-10-CM vs ICD-10-PCS: A Coder's Guide
When to use ICD-10-CM vs ICD-10-PCS, how their formats differ, who reports each, and why outpatient claims never carry PCS codes. A coder's decision guide.
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The Seven Characters of an ICD-10-PCS Code, Explained
What each of the seven ICD-10-PCS characters means, why a code only exists when they come from one table row, and how to spot the errors that get claims denied.
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Excision vs Resection in ICD-10-PCS: How to Tell Them Apart
One word separates Excision from Resection: portion or all. Here is how the PCS body part key decides it, why it moves the DRG, and the cases that trip coders up.
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