M1155Medical Services

Patient had anaphylaxis due to the pneumococcal vaccine any time during or

Short description: Pt anphx due to pneum

Effective date
January 1, 2025
Termination date

Related codes (M-series)

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.

What category is HCPCS code M1155 in?

M1155 falls under the Medical Services category of HCPCS Level II.

When did HCPCS code M1155 become effective?

M1155 has been effective since January 1, 2025, per CMS's quarterly HCPCS update.

HCPCS Level II data from CMS (public domain). HCPCS Level I (CPT) codes are not included — CPT is copyrighted by the American Medical Association. Always verify codes with authoritative sources before making coding or billing decisions.