What does ICD mean?

When making up invoices for insurance companies, ICD numbers should be used.

What does ICD mean?
A . International classification of diseases
B . Insurance company demands
C . Internal cash disbursement
D . Integral charge document

Answer: A

Explanation:

It should always be made clear when billing insurance companies exactly what condition has been treated. The ICD numbers cover all conditions; if unsure of exactly what condition has been treated, consult with the treating physician.