HCPCS Code M1300

Influenza immunization was not administered for reasons documented by clinician (e.g., patient allergy or other medical reasons, patient declined or other patient reasons, vaccine not available or other system reasons)
Code effective Jan 01, 2024

HCPCS Section
Medical services

M1300 is a valid 2026 HCPCS code meaning Influenza immunization was not administered for reasons documented by clinician (e.g., patient allergy or other medical reasons, patient declined or other patient reasons, vaccine not available or other system reasons) or (Flu imm no admin doc rea) for short. HCPCS M1300 has been effective since 01/01/2024 and applies to Medical care.


HCPCS Code Details - M1300

HCPCS Level II Code
Section M - Medical services
HCPCS Code M1300
Description

Long description:
Influenza immunization was not administered for reasons documented by clinician (e.g., patient allergy or other medical reasons, patient declined or other patient reasons, vaccine not available or other system reasons)

Short description:
Flu imm no admin doc rea

HCPCS Pricing indicator 00 - Physician Fee Schedule And Non-Physician Practitioners - Service not separately priced by part B (e.g., services not covered, bundled, used by Part A only, etc.)
Multiple pricing indicator 9 - Not applicable as HCPCS not priced separately by part B or value is not established
Coverage code C - Carrier judgment
BETOS2 code Z2 - Undefined codes
HCPCS Action code N - No maintenance for this code
Type of service 1 - Medical care
Effective date Effective Jan 01, 2024
Date added Added Jan 01, 2024

See also

  • HCPCS M1299 · Influenza immunization administered or previously received

  • HCPCS G8483 · Influenza immunization was not administered for reasons documented by clinician (e.g., patient allergy or other medical reasons, patient declined or other patient reasons, vaccine not available or other system reasons)

  • HCPCS G8484 · Influenza immunization was not administered, reason not given

  • HCPCS M1308 · Influenza immunization was not administered, reason not given

  • HCPCS M1301 · Patient identified as a tobacco user received tobacco cessation intervention during the measurement period or in the six months prior to the measurement period (counseling and/or pharmacotherapy)

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”


HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.