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Table 1 Detroit Interventional Pain Assessment Scale Medication Classes

From: Assessing pain management in total joint arthroplasty using the Detroit interventional pain assessment scale—A prospective cohort study

Class

Daily Morphine Milligram Equivalents (MMEs)

Types of Medications

A: No medication

0

N/A

B: Over-the-Counter

0

N/A

C: Occasional use of short-acting narcotics

1–30

schedule II and IV drugs (codeine-acetaminophen, tramadol, hydrocodone- acetaminophen, or oxycodone- acetaminophen)

D: Regular use of short-acting narcotics

31–79

schedule II drugs (hydrocodone-acetaminophen or oxycodone-acetaminophen)

E: Long-acting narcotics with breakthrough short-acting

80 + 

schedule II drugs (hydromorphone, methadone, morphine, and oxycodone hydrochloride)