M0301 — Fabric wrapping of abdominal aneurysm
M0301 is a HCPCS Level II code for fabric wrapping of abdominal aneurysm. It belongs to the Medical Services section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Non-covered by Medicare
Medicare does not cover the item or service this code describes.
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 statusN
Non-covered service. Medicare does not cover it.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of M0301 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- outpatient
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for M0301
- Long descriptor
- Fabric wrapping of abdominal aneurysm
- Short descriptor
- Fabric wrapping of aneurysm
- Added
- January 1, 1986
- BETOS
- P1G
- Pricing indicator
- 00 — Not priced by Part B
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.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to M0301
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If M0301 is not quite right, the correct code is very often within a few positions of it.
- M0244Intravenous infusion or subcutaneous injection, casirivimab and imdevimab includes infusion or 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
- M0245Intravenous infusion, bamlanivimab and etesevimab, includes infusion and post administration monitoringterminated
- M0246Intravenous infusion, bamlanivimab and etesevimab, includes infusion 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
- M0247Intravenous infusion, sotrovimab, includes infusion and post administration monitoringterminated
- M0248Intravenous infusion, sotrovimab, includes infusion 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
- M0249Intravenous infusion, tocilizumab, for hospitalized adults and pediatric patients (2 years of age and older) with covid-19 who are receiving systemic corticosteroids and require supplemental oxygen, non-invasive or invasive mechanical ventilation, or extracorporeal membrane oxygenation (ecmo) only, includes infusion and post administration monitoring, first dose
- M0250Intravenous infusion, tocilizumab, for hospitalized adults and pediatric patients (2 years of age and older) with covid-19 who are receiving systemic corticosteroids and require supplemental oxygen, non-invasive or invasive mechanical ventilation, or extracorporeal membrane oxygenation (ecmo) only, includes infusion and post administration monitoring, second dose
- M0300Iv chelation therapy (chemical endarterectomy)
- M1000Pain screened as moderate to severeterminated
- M1001Plan of care to address moderate to severe pain documented on or before the date of the second visit with a clinicianterminated
- M1002Plan of care for moderate to severe pain not documented on or before the date of the second visit with a clinician, reason not giventerminated
- M1003Tb screening performed and results interpreted within twelve months prior to initiation of first-time biologic and/or immune response modifier therapy
- M1004Documentation of medical reason for not screening for tb or interpreting results (i.e., patient positive for tb and documentation of past treatment; patient who has recently completed a course of anti-tb therapy)
- M1005Tb screening not performed or results not interpreted, reason not given
- M1006Disease activity not assessed, reason not given
- M1007>=50% of total number of a patient's outpatient ra encounters assessed
Questions about M0301
What is HCPCS code M0301?
M0301 is a HCPCS Level II code for fabric wrapping of abdominal aneurysm. It sits in the Medical Services section.
Does Medicare cover M0301?
The CMS HCPCS file marks M0301 as "Non-covered by Medicare". Medicare does not cover the item or service this code describes.
How is M0301 paid under the physician fee schedule?
M0301 carries PFS status code N. Non-covered service. Medicare does not cover it.