Coding第 5 / 100 题
Which seventh character in an ICD-10-CM injury code identifies a subsequent (follow-up) encounter during the healing phase?
a.A, for initial encounter
b.D, for subsequent encounter
c.S, for sequela
d.X, for a placeholder
解析
For most injury and external-cause codes, the seventh character 'D' denotes a subsequent encounter, when the patient is receiving routine care during the healing or recovery phase. 'A' is the initial encounter for active treatment, and 'S' identifies a sequela, or late effect. The letter X can serve as a placeholder to fill empty character positions so the seventh character stays in the correct slot.
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