A patient is admitted to the hospital with severe flank pain and hematuria. A urinalysis is done and it is positive for Escherichia coli. The discharge summary states acute pyelonephritis due to E. coli.
A. What is the principal diagnosis?
B. Locate the principal diagnosis in the Index. What code does the Index direct you to locate? ICD-10-CM Code:
C. Was there a mention of a lesion in the case above?
D. What is the correct principal code for this case? ICD-10-CM Code:
E. Why do you think "severe flank pain and hematuria" are noted on this patient's case?
