M1137

M1137 — Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care

HCPCSTerminatedBETOS Z2

M1137 is a HCPCS Level II code for documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care. It belongs to the Medical Services section. It was terminated on December 31, 2020 and is not valid on new claims.

This code has been terminated

CMS terminated M1137 on December 31, 2020. 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: 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.

The CMS record for M1137

Long descriptor: Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care
Short descriptor: Docu dx degen neuro
Added: January 1, 2020
Terminated: December 31, 2020
BETOS: Z2
Pricing indicator: 00 — Not priced by Part B

Codes adjacent to M1137

HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If M1137 is not quite right, the correct code is very often within a few positions of it.

M1129Ongoing care not medically possible because the patient was discharged early due to specific medical events, documented in the medical record, such as the patient became hospitalized or scheduled for surgery
M1130Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
M1131Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care
M1132Ongoing care not clinically indicated because the patient needed a home program only, referral to another provider or facility, or consultation only, as documented in the medical record
M1133Ongoing care not medically possible because the patient was discharged early due to specific medical events, documented in the medical record, such as the patient became hospitalized or scheduled for surgery
M1134Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
M1135The start of an episode of care documented in the medical record
M1136The start of an episode of care documented in the medical recordterminated
M1138Ongoing care not indicated, patient seen only 1-2 visits (e.g., home program only, referred to another provider or facility, consultation only)terminated
M1139Ongoing care not indicated, patient self-discharged early and seen only 1-2 visits (e.g., financial or insurance reasons, transportation problems, or reason unknown)terminated
M1140Ongoing care not indicated, patient discharged after only 1-2 visits due to specific medical events, documented in the medical record that make the treatment episode impossible such as the patient becomes hospitalized or scheduled for surgery for surgery or hospitalizedterminated
M1141Functional status was not measured by the oxford knee score (oks) or the knee injury and osteoarthritis outcome score joint replacement (koos, jr.) at one year (9 to 15 months) postoperatively
M1142Emergent cases
M1143Initiated episode of rehabilitation therapy, medical, or chiropractic care for neck impairment
M1144Ongoing care not indicated, patient seen only 1-2 visits (e.g., home program only, referred to another provider or facility, consultation onlyterminated
M1145Most favored nation (mfn) model drug add-on amount, per dose, (do not bill with line items that have the jw modifier)terminated

Questions about M1137

What is HCPCS code M1137?

M1137 is a HCPCS Level II code for documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care. It sits in the Medical Services section.

Does Medicare cover M1137?

The CMS HCPCS file marks M1137 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.

Is M1137 still valid?

No. M1137 was terminated on December 31, 2020 and should not be used on new claims.