M0064 — Brief office visit for the sole purpose of monitoring or changing drug prescriptions used in the treatment of mental psychoneurotic and personality disorders
M0064 is a HCPCS Level II code for brief office visit for the sole purpose of monitoring or changing drug prescriptions used in the treatment of mental psychoneurotic and personality disorders. It belongs to the Medical Services section. It was terminated on December 31, 2014 and is not valid on new claims.
This code has been terminated
CMS terminated M0064 on December 31, 2014. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
The CMS record for M0064
- Long descriptor
- Brief office visit for the sole purpose of monitoring or changing drug prescriptions used in the treatment of mental psychoneurotic and personality disorders
- Short descriptor
- Visit for drug monitoring
- Added
- January 1, 1992
- Terminated
- December 31, 2014
- BETOS
- M5B
- Pricing indicator
- 11 — Physician fee schedule
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Price established using national RVUs.
Codes adjacent to M0064
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If M0064 is not quite right, the correct code is very often within a few positions of it.
- L8721Receptor sole for use with l8720, replacement, each
- L9900Orthotic and prosthetic supply, accessory, and/or service component of another hcpcs "l" code
- M0001Advancing cancer care mips value pathways
- M0002Optimal care for kidney health mips value pathways
- M0003Optimal care for patients with episodic neurological conditions mips value pathwaysterminated
- M0004Quality care for patients with neurological conditions mips value pathway
- M0005Value in primary care mips value pathway
- M0010Enhancing oncology model (eom) monthly enhanced oncology services (meos) payment for eom enhanced services
- M0075Cellular therapy
- M0076Prolotherapy
- M0100Intragastric hypothermia using gastric freezing
- M0201Administration of pneumococcal, influenza, hepatitis b, and/or covid-19 vaccine inside a patient's home; reported only once per individual home per date of service when such vaccine administration(s) are performed at the patient's home
- M0220Injection, tixagevimab and cilgavimab, for the pre-exposure prophylaxis only, for certain adults and pediatric individuals (12 years of age and older weighing at least 40kg) with no known sars-cov-2 exposure, who either have moderate to severely compromised immune systems or for whom vaccination with any available covid-19 vaccine is not recommended due to a history of severe adverse reaction to a covid-19 vaccine(s) and/or covid-19 vaccine component(s), includes injection and post administration monitoringterminated
- M0221Injection, tixagevimab and cilgavimab, for the pre-exposure prophylaxis only, for certain adults and pediatric individuals (12 years of age and older weighing at least 40kg) with no known sars-cov-2 exposure, who either have moderate to severely compromised immune systems or for whom vaccination with any available covid-19 vaccine is not recommended due to a history of severe adverse reaction to a covid-19 vaccine(s) and/or covid-19 vaccine component(s), includes injection and post administration monitoring in the home or residence; this includes a beneficiary's home that has been made provider-based to the hospital during the covid-19 public health emergencyterminated
- M0222Intravenous injection, bebtelovimab, includes injection and post administration monitoringterminated
- M0223Intravenous injection, bebtelovimab, includes injection and post administration monitoring in the home or residence; this includes a beneficiary's home that has been made provider-based to the hospital during the covid-19 public health emergencyterminated
Questions about M0064
What is HCPCS code M0064?
M0064 is a HCPCS Level II code for brief office visit for the sole purpose of monitoring or changing drug prescriptions used in the treatment of mental psychoneurotic and personality disorders. It sits in the Medical Services section.
Does Medicare cover M0064?
The CMS HCPCS file marks M0064 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
Is M0064 still valid?
No. M0064 was terminated on December 31, 2014 and should not be used on new claims.