Question

When coding infectious and parasitic diseases,
A. a second code is assigned to indicate the causative organism.
B. fourth digits or additional codes may indicate the causative organism(s).
C. code categories 041–079 as principal, with a fourth digit indicating the causative
organism.
D. optional E codes are used to indicate the causative organism

Answer 1

(B) When coding infectious and parasitic diseases, fourth digits or additional codes may indicate the causative organism(s).