HCPCS codes / M / M1171
M1171
Patient received at least one td vaccine or one tdap vaccine between nine years prior to the encounter and the end of the measurement period
- Code type
- HCPCS Level II
- Coverage
- Carrier judgment
- BETOS category
- Z2
- Pricing indicator
- 00
- Effective date
- 20230101
Verify before billing. Confirm against current official CMS HCPCS files and your payer's rules before clinical or claims use.