HCPCS Level II
Medical services
Letter M, 506 codes. CMS HCPCS Level II file dated September 23, 2026.
License. US government work, Public Domain Mark 1.0.
Blocks
Each block is one hundred codes. Open one instead of paging the whole letter.
Codes
121 to 160 of 506
- M1117Documentation 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
- M1118Ongoing 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
- M1119Ongoing 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
- M1120Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
- M1121The start of an episode of care documented in the medical record
- M1122Documentation 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
- M1123Ongoing 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
- M1124Ongoing 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
- M1125Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
- M1126The start of an episode of care documented in the medical record
- M1127Documentation 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
- M1128Ongoing 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
- 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 record
- M1137Documentation 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
- M1138Ongoing care not indicated, patient seen only 1-2 visits (e.g., home program only, referred to another provider or facility, consultation only)
- 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)
- 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 hospitalized
- 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 only
- M1145Most favored nation (mfn) model drug add-on amount, per dose, (do not bill with line items that have the jw modifier)
- M1146Ongoing 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
- M1147Ongoing 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
- M1148Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
- M1149Patient unable to complete the neck fs prom at initial evaluation and/or discharge due to blindness, illiteracy, severe mental incapacity or language incompatibility, and an adequate proxy is not available
- M1150Current or prior left ventricular ejection fraction (lvef) less than or equal to 40% or documentation of moderately or severely depressed left ventricular systolic function
- M1151Patients with a history of heart transplant or with a left ventricular assist device (lvad)
- M1152Patients with a history of heart transplant or with a left ventricular assist device (lvad)
- M1153Patient with diagnosis of osteoporosis on date of encounter
- M1154Hospice services provided to patient any time during the measurement period
- M1155Patient had anaphylaxis due to the pneumococcal vaccine any time during or before the measurement period
- M1156Patient received active chemotherapy any time during the measurement period
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