M1466

M1466 — Patient had a lumbar fusion on the same date as the discectomy/laminectomy procedure

HCPCSActiveBETOS Z2

M1466 is a HCPCS Level II code for patient had a lumbar fusion on the same date as the discectomy/laminectomy procedure. It belongs to the Medical Services section. Whether Medicare pays it depends on the coverage rule below.

Medicare coverage: Carrier judgment

Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

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.

Physician fee schedule statusM

Measurement code. Used for reporting purposes only; never paid.

Global period: XXX

Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.

The CMS record for M1466

Long descriptor: Patient had a lumbar fusion on the same date as the discectomy/laminectomy procedure
Short descriptor: Pt disc/lam proc same day
Added: January 1, 2026
BETOS: Z2
Pricing indicator: 00 — Not priced by Part B

Codes adjacent to M1466

HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If M1466 is not quite right, the correct code is very often within a few positions of it.

M1458Patient died prior to the end of the performance period
M1459Patient was in hospice or receiving palliative care services at any time during the performance period
M1460Diagnosis for chronic obstructive pulmonary disease, emphysema, cystic fibrosis, or acute respiratory failure
M1461Patient diagnosis for chronic hepatitis c
M1462Patients with clinical indications for imaging of the head
M1463Documentation of at least two attempts to follow up with patient within 180 days of treatment
M1464No documentation of at least two attempts to follow up with patient within 180 days of treatment
M1465Patient follow up more than 180 days after treatment
M1467Patients with an existing diagnosis of lynch syndrome
M1468Patient received recommended doses of hepatitis b vaccination based on age
M1469Patient has a history of hepatitis b illness or received a hepatitis b surface antigen, hepatitis b surface antibody, or total antibody to hepatitis b core antigen test with a positive result any time before or during the measurement period
M1470Documentation of medical reason(s) for not administering hepatitis b vaccine (e.g., prior anaphylaxis due to the hepatitis b vaccine)
M1471Documentation that patient is a medicare fee-for-service beneficiary and without additional supplementary insurance coverage for whom hep b vaccination is not reimbursable under current medicare part b coverage rules
M1472Patient did not receive recommended doses of hepatitis b vaccination based on age
M1473Patient situations, at any point during the denominator identification period, where the patient's functional capacity or motivation (or lack thereof) to improve may impact the accuracy of results of validated tools, such as delirium, dementia, intellectual disabilities, and pervasive and specific development disorders
M1474Patients with diagnosis of dementia

Questions about M1466

What is HCPCS code M1466?

M1466 is a HCPCS Level II code for patient had a lumbar fusion on the same date as the discectomy/laminectomy procedure. It sits in the Medical Services section.

Does Medicare cover M1466?

The CMS HCPCS file marks M1466 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

How is M1466 paid under the physician fee schedule?

M1466 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.