M1173 Patient did not receive at least one td vaccine or one tdap vaccine between nine years prior to the encounter and the end of the measurement period

Short descriptor: Pt no rec td/tdap 9yrs prior

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M1173 is the HCPCS Level II code for Patient did not receive at least one td vaccine or one tdap vaccine between nine years prior to the encounter and the end of the measurement period (2026). It belongs to Section M — Medical Services. Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Not separately priced by Part B.

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Not separately priced by Part B (indicator 00)
Type of Service
Medical care
Effective Date
2023-01-01
2026 Maintenance
No change this year

References

Cite This Page

Reference M1173 with the canonical source and edition:

M1173 — Patient did not receive at least one td vaccine or one tdap vaccine between nine years prior to the encounter and the end of the measurement period. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/M1173

Canonical URL: https://icd10codingpro.com/hcpcs-codes/M1173

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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