What is a principal diagnosis?

complete five short essay questions. Your answers must be in complete sentences.

Question 1

  1. Describe the history of the ICD-9-CM and describe the ICD-10_CM and ICD-10-PCS.

Question 2

  1. What is the definition of an inpatient? What is a DRG?

Question 3

  1. What is a principal diagnosis?

Question 4

  1. 1. Describe the CPT. 2. What is unbundling?

Question 5

  1. What symbols are located throughout the CPT, and what do they identify?

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