A physician prescribes carbamazepine to treat a patient with epileptic seizures. After six months, the physician performs a therapeutic drug test to monitor the total level of the drug in the…

The correct answer is D. 80156, G40.909. The correct CPT® code for a therapeutic drug test to monitor the total level of carbamazepine is 80156. The ICD-10-CM code G40.909 is used for epileptic seizures, not otherwise specified, which aligns with the patient's condition being treated for seizures.

Laboratory & Pathology

Question

A physician prescribes carbamazepine to treat a patient with epileptic seizures. After six months, the physician performs a therapeutic drug test to monitor the total level of the drug in the patient. What CPT® and ICD-10-CM coding is used for the six month-evaluation?

Options

A80156, R56.9
B80157, R56.9
C80157, G40.909
D80156, G40.909

How the community answered

(43 responses)

A
2% (1)
B
14% (6)
C
7% (3)
D
77% (33)

Explanation

The correct CPT® code for a therapeutic drug test to monitor the total level of carbamazepine is 80156. The ICD-10-CM code G40.909 is used for epileptic seizures, not otherwise specified, which aligns with the patient's condition being treated for seizures.

Topics

#therapeutic drug monitoring#carbamazepine#free vs total drug level#ICD-10-CM epilepsy

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