Inclusion Criteria:  American Society of Anesthesiologists Physical Status Classification I-IV Scheduled for primary amputation or stump revision English speaking  Exclusion Criteria:  Patients unable to cooperate or consent to the study Allergy to local anesthetics Existing infection at planned needle insertion site BMI > 40kg/m2 Patients with a history of coagulopathy Emergency amputations Contralateral amputations Patients with a substance use disorder diagnosis Patients on opioids >90 morphine milligram equivalents (MME)/day