When should Z79.4—Long-term (current) use of insulin NOT be used?
a. When insulin is given on a temporary basis to bring a type 2 diabetics blood sugar under control after surgery.
b. If the patient receives insulin, the code should always be used.
c. It should only be used for type 1 diabetics.
d. It should not be used without proper physician documentation that states the need for the insulin.
Answer: a
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