HCPCS Code M1308

Influenza immunization was not administered, reason not given
Code effective Jan 01, 2024

M1308 is a valid 2026 HCPCS code meaning Influenza immunization was not administered, reason not given or (Flu immunize no admin) for short. HCPCS M1308 has been effective since 01/01/2024 and applies to Medical care.

HCPCS Code Details - M1308
HCPCS Level II Code Section M - Medical services
HCPCS Code	`M1308`
Description	Long description: Influenza immunization was not administered, reason not given Short description: Flu immunize no admin
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

HCPCS M1307 · Documentation stating the patient has received or is currently receiving palliative or hospice care
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 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)
HCPCS M1309 · Palliative care services provided to patient any time during the measurement period

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

HCPCS Code M1308

HCPCS Code Details - M1308

See also

HCPCS M1307 · Documentation stating the patient has received or is currently receiving palliative or hospice care

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 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)

HCPCS M1309 · Palliative care services provided to patient any time during the measurement period