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Internal Medicine CPT Codes for 2023 + Modifiers

Stay informed on the updates to the 2023 internal medicine CPT codes
Read Time: 1 minute
Jun 26, 2023

For healthcare professionals to maximize medical billing collection, CPT code accuracy is especially important. If internal medicine CPT codes are not reported accurately in the billing process, the claim could be denied or the payment may be delayed. To maximize your collections, it’s therefore important to stay on top of the latest CPT code developments.

Internal Medicine CPT Codes for 2023

Stay informed on the internal medicine CPT code updates for 2023:

  • 99201 – evaluation and management codes
  • 99211 – office or outpatient visit for the evaluation and management of a new patient
  • 99217 – observation care discharge services
  • 99221 – initial hospital care
  • 99231 – subsequent hospital care

Internal Medicine CPT Modifiers

Modifiers keep medical billing more accurate. Here are the updated internal medicine modifiers for 2023.

  • M1209 – at least two orders for high-risk medications from the same drug class
  • Q5126 – injection, bevacizumab-maly, biosimilar, (alymsys), 10 mg
  • 310 – not vaccinated against COVID-19
  • 311 – partly vaccinated against COVID-19
  • 39 – indicates any other under-immunized status

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