M1161 HCPCS Level II Code: Patient had anaphylaxis due to the tetanus, diphtheria or pertussis vaccine any time on or before the patient's 13th birthday
Medicare Coverage & Payment
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: Z2 — Undefined codes
- Last CMS action effective: January 1, 2023
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Official Registry Overview & Definition
Patient had anaphylaxis due to the tetanus, diphtheria or pertussis vaccine any time on or before the patient's 13th birthday is a HCPCS Level II code (M1161). CMS assigns coverage code C — Carrier judgment. Short description: Pt anphx due to dtp bef 13.
Nearest Codes in This Family
Official HCPCS Level II classifications closest to M1161 in its code family, with their registry titles.
- M1156 — Patient received active chemotherapy any time during the measurement period
- M1157 — Patient received bone marrow transplant any time during the measurement period
- M1158 — Patient had history of immunocompromising conditions prior to or during the measurement period
- M1159 — Hospice services provided to patient any time during the measurement period
- M1160 — Patient had anaphylaxis due to the meningococcal vaccine any time on or before the patient's 13th birthday
- M1162 — Patient had encephalitis due to the tetanus, diphtheria or pertussis vaccine any time on or before the patient's 13th birthday
- M1163 — Patient had anaphylaxis due to the hpv vaccine any time on or before the patient's 13th birthday
- M1164 — Patients with dementia any time during the patient's history through the end of the measurement period
- M1165 — Patients who use hospice services any time during the measurement period
- M1166 — Pathology report for tissue specimens produced from wide local excisions or re-excisions