M1155 – Patient had anaphylaxis due to the pneumococcal vaccine any time during or before the measurement period
HCPCS Level II code · M codes: Medical Services and Quality Measures
HCPCS codeM1155
- Long description
- Patient had anaphylaxis due to the pneumococcal vaccine any time during or before the measurement period
- Short description
- Pt anphx due to pneum
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
Z2Undefined codes- Added
- January 1, 2023
- Last change
- January 1, 2025 – No change
- Termination date
- December 31, 2024
Frequently asked questions
What is HCPCS code M1155?
M1155 is a HCPCS Level II code for patient had anaphylaxis due to the pneumococcal vaccine any time during or before the measurement period. It was discontinued on December 31, 2024.
Does Medicare cover M1155?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby M codes
- M1147 – Ongoing 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
- M1148 – Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
- M1149 – Patient 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
- M1150 – Current or prior left ventricular ejection fraction (lvef) less than or equal to 40% or documentation of moderately or severely depressed left ventricular systolic function
- M1151 – Patients with a history of heart transplant or with a left ventricular assist device (lvad)
- M1152 – Patients with a history of heart transplant or with a left ventricular assist device (lvad)
- M1153 – Patient with diagnosis of osteoporosis on date of encounter
- M1154 – Hospice services provided to patient any time during the measurement period
- M1156 – Patient received active chemotherapy any time during the measurement period
- M1157 – Patient received bone marrow transplant any time during the measurement period
- M1158 – Patient had history of immunocompromising conditions prior to or during the measurement period
- M1159 – Hospice services provided to patient any time during the measurement period
- M1160 – Patient had anaphylaxis due to the meningococcal vaccine any time on or before the patient's 13th birthday
- M1161 – Patient had anaphylaxis due to the tetanus, diphtheria or pertussis vaccine any time on or before the patient's 13th birthday
- M1162 – Patient had encephalitis due to the tetanus, diphtheria or pertussis vaccine any time on or before the patient's 13th birthday
- M1163 – Patient had anaphylaxis due to the hpv vaccine any time on or before the patient's 13th birthday
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.