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September 2, 2025

Coding for Observation Services

CPT codes for observation services Beginning January 1, 2023 there are two sets of codes used for both inpatient status and observation level of care. Coding for observation services no longer has a distinct set of CPT® codes, those were deleted. Use 99221–99223 for initial inpatient or observation care services and use 99231–99233 for inpatient […]

Coding for Hospital Services | Webinar

Recorded April 20, 2023

First, CPT® updated their E/M code set. Then, CMS interpreted the updates and applied their own reimbursement rules to the code set. This webinar will summarize CPT® rules and CMS’s February 2023 transmittal that addresses inpatient and observation billing by the admitting and consulting physicians, admission to inpatient status following observation care, and multiple visits in a single day. The webinar will discuss when coding instruction is the same for CPT® and CMS and when it varies.

Initial Hospital Service Codes and Established Patients

Question: We are having a disagreement in our coding department. Our cardiologist sees an inpatient at the hospital, but it’s a patient she knows from the office. Should she bill an initial hospital service code or a subsequent hospital service code when she sees this patient, who she knows and has seen many times? Answer: […]

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Our mission is to provide up-to-date, simplified, citation driven resources that empower our members to gain confidence and authority in their coding role.

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