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Position 4: Body Part

Pharmacotherapy

Identify the specific body part to further refine the procedure code.

HZ90
Nicotine Replacement
HZ91
Methadone Maintenance
HZ92
Levo-alpha-acetyl-methadol (LAAM)
HZ93
Antabuse
HZ94
Naltrexone
HZ95
Naloxone
HZ96
Clonidine
HZ97
Bupropion
HZ98
Psychiatric Medication
HZ99
Other Replacement Medication
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Data updated for October 2025 release.

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