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

Discontinued December 31, 2024 Carrier judgment

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
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined 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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.