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AAPC CPC Medical Coding ICD-10 Practice Exam

Category - ICD-10

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Scott is a 15-month old child who presents to the vaccination center for routine childhood immunizations with his mother. He is given the measles, mumps, and rubella (MMR) vaccination. Assign the correct ICD-10 code for this case.
  1. Z21
  2. Z22.0
  3. Z22.2
  4. Z23
Explanation
Answer: D 

Z23 is the correct code for this case because it is used to code for encounters for immunization which is seen here. 

Option A is not correct because Z21 is used to specify the asymptomatic human immunodeficiency virus [HIV] infection status. 

Option B is not correct because Z22.0 is used to specify the carrier of typhoid. 

Option C is not correct because Z22.2 is used to specify the carrier of diphtheria. 
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