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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