MS HCPCS Level II modifier: Six month maintenance and servicing fee for reasonable and necessary parts and labor which are not covered under any manufacturer or supplier warranty
MS is a HCPCS Level II modifier: “Six month maintenance and servicing fee for reasonable and necessary parts and labor which are not covered under any manufacturer or supplier warranty.” It adds this detail to the code it is reported with.
Official description
MSSix month maintenance and servicing fee for reasonable and necessary parts and labor which are not covered under any manufacturer or supplier warranty
Short description: 6-mo maint/svc fee parts/lbr
HCPCS · United States
Medicare details
The indicators CMS publishes with MS in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 1989
Where MS sits
- 1GroupHCPCS modifiers
- 2Modifier MSSix month maintenance and servicing fee for reasonable and necessary parts and labor which are not covered under any manufacturer or supplier warranty
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code MS mean?
MS is the HCPCS code for “Six month maintenance and servicing fee for reasonable and necessary parts and labor which are not covered under any manufacturer or supplier warranty” in CMS’s HCPCS Level II October 2026 release.
Where is MS in the HCPCS Level II list?
MS is listed under Modifiers.
Does Medicare cover MS?
CMS lists MS’s Medicare coverage as “Carrier judgment”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside MS
All modifiersMCOrdering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of electronic health record or clinical decision…MDOrdering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of extreme and uncontrollable circumstancesMEThe order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professionalMFThe order for this service does not adhere to the appropriate use criteria in the clinical decision support mechanism consulted by the ordering professionalMGThe order for this service does not have applicable appropriate use criteria in the qualified clinical decision support mechanism consulted by the ordering professionalMHUnknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or providerN1Group 1 oxygen coverage criteria metN2Group 2 oxygen coverage criteria metN3Group 3 oxygen coverage criteria metNBNebulizer system, any type, fda-cleared for use with specific drugNRNew when rented (use the 'nr' modifier when dme which was new at the time of rental is subsequently purchased)NUNew equipment