The patient was admitted with increasing shortness of breath, weakness, and nonproductive cough. Treatment included oxygen therapy. Final diagnoses listed as acute respiratory insufficiency and acute exacerbation of chronic obstructive pulmonary disease (COPD). Which of the following is the correct diagnostic code assignment?

ICD-9-CM Code(s):

a. 491.21
b. 491.21, 518385
c. 518.81, 491.21
d. 518382, 491.21

ICD-10-CM Code(s):__________________

2 answers

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518.81, 491.21