Unacceptable principal diagnosis codes. — See additional coding rules

  • T39.1X6S Underdosing of 4-Aminophenol derivatives, sequela
  • T39.2X5A Adverse effect of pyrazolone derivatives, initial encounter
  • T39.2X5D Adverse effect of pyrazolone derivatives, subsequent encounter
  • T39.2X5S Adverse effect of pyrazolone derivatives, sequela
  • T39.2X6A Underdosing of pyrazolone derivatives, initial encounter
  • T39.2X6D Underdosing of pyrazolone derivatives, subsequent encounter
  • T39.2X6S Underdosing of pyrazolone derivatives, sequela
  • T39.315A Adverse effect of propionic acid derivatives, initial encounter
  • T39.315D Adverse effect of propionic acid derivatives, subsequent encounter
  • T39.315S Adverse effect of propionic acid derivatives, sequela
  • T39.316A Underdosing of propionic acid derivatives, initial encounter
  • T39.316D Underdosing of propionic acid derivatives, subsequent encounter
  • T39.316S Underdosing of propionic acid derivatives, sequela
  • T39.395A Adverse effect of other nonsteroidal anti-inflammatory drugs [NSAID], initial encounter
  • T39.395D Adverse effect of other nonsteroidal anti-inflammatory drugs [NSAID], subsequent encounter
  • T39.395S Adverse effect of other nonsteroidal anti-inflammatory drugs [NSAID], sequela
  • T39.396A Underdosing of other nonsteroidal anti-inflammatory drugs [NSAID], initial encounter
  • T39.396D Underdosing of other nonsteroidal anti-inflammatory drugs [NSAID], subsequent encounter
  • T39.396S Underdosing of other nonsteroidal anti-inflammatory drugs [NSAID], sequela
  • T39.4X5A Adverse effect of antirheumatics, not elsewhere classified, initial encounter
  • T39.4X5D Adverse effect of antirheumatics, not elsewhere classified, subsequent encounter
  • T39.4X5S Adverse effect of antirheumatics, not elsewhere classified, sequela
  • T39.4X6A Underdosing of antirheumatics, not elsewhere classified, initial encounter
  • T39.4X6D Underdosing of antirheumatics, not elsewhere classified, subsequent encounter
  • T39.4X6S Underdosing of antirheumatics, not elsewhere classified, sequela
  • T39.8X5A Adverse effect of other nonopioid analgesics and antipyretics, not elsewhere classified, initial encounter
  • T39.8X5D Adverse effect of other nonopioid analgesics and antipyretics, not elsewhere classified, subsequent encounter
  • T39.8X5S Adverse effect of other nonopioid analgesics and antipyretics, not elsewhere classified, sequela
  • T39.8X6A Underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified, initial encounter
  • T39.8X6D Underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified, subsequent encounter
  • T39.8X6S Underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified, sequela
  • T39.95XA Adverse effect of unspecified nonopioid analgesic, antipyretic and antirheumatic, initial encounter
  • T39.95XD Adverse effect of unspecified nonopioid analgesic, antipyretic and antirheumatic, subsequent encounter
  • T39.95XS Adverse effect of unspecified nonopioid analgesic, antipyretic and antirheumatic, sequela
  • T39.96XA Underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic, initial encounter
  • T39.96XD Underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic, subsequent encounter
  • T39.96XS Underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic, sequela
  • T40.0X5A Adverse effect of opium, initial encounter
  • T40.0X5D Adverse effect of opium, subsequent encounter
  • T40.0X5S Adverse effect of opium, sequela
  • T40.0X6A Underdosing of opium, initial encounter
  • T40.0X6D Underdosing of opium, subsequent encounter
  • T40.0X6S Underdosing of opium, sequela
  • T40.2X5A Adverse effect of other opioids, initial encounter
  • T40.2X5D Adverse effect of other opioids, subsequent encounter
  • T40.2X5S Adverse effect of other opioids, sequela
  • T40.2X6A Underdosing of other opioids, initial encounter
  • T40.2X6D Underdosing of other opioids, subsequent encounter
  • T40.2X6S Underdosing of other opioids, sequela
  • T40.3X5A Adverse effect of methadone, initial encounter
  • T40.3X5D Adverse effect of methadone, subsequent encounter
  • T40.3X5S Adverse effect of methadone, sequela
  • T40.3X6A Underdosing of methadone, initial encounter
  • T40.3X6D Underdosing of methadone, subsequent encounter
  • T40.3X6S Underdosing of methadone, sequela
  • T40.415A Adverse effect of fentanyl or fentanyl analogs, initial encounter
  • T40.415D Adverse effect of fentanyl or fentanyl analogs, subsequent encounter
  • T40.415S Adverse effect of fentanyl or fentanyl analogs, sequela
  • T40.416A Underdosing of fentanyl or fentanyl analogs, initial encounter
  • T40.416D Underdosing of fentanyl or fentanyl analogs, subsequent encounter
  • T40.416S Underdosing of fentanyl or fentanyl analogs, sequela
  • T40.425A Adverse effect of tramadol, initial encounter
  • T40.425D Adverse effect of tramadol, subsequent encounter
  • T40.425S Adverse effect of tramadol, sequela
  • T40.426A Underdosing of tramadol, initial encounter
  • T40.426D Underdosing of tramadol, subsequent encounter
  • T40.426S Underdosing of tramadol, sequela
  • T40.495A Adverse effect of other synthetic narcotics, initial encounter
  • T40.495D Adverse effect of other synthetic narcotics, subsequent encounter
  • T40.495S Adverse effect of other synthetic narcotics, sequela
  • T40.496A Underdosing of other synthetic narcotics, initial encounter
  • T40.496D Underdosing of other synthetic narcotics, subsequent encounter
  • T40.496S Underdosing of other synthetic narcotics, sequela
  • T40.5X5A Adverse effect of cocaine, initial encounter
  • T40.5X5D Adverse effect of cocaine, subsequent encounter
  • T40.5X5S Adverse effect of cocaine, sequela
  • T40.5X6A Underdosing of cocaine, initial encounter
  • T40.5X6D Underdosing of cocaine, subsequent encounter
  • T40.5X6S Underdosing of cocaine, sequela
  • T40.605A Adverse effect of unspecified narcotics, initial encounter
  • T40.605D Adverse effect of unspecified narcotics, subsequent encounter
  • T40.605S Adverse effect of unspecified narcotics, sequela
  • T40.606A Underdosing of unspecified narcotics, initial encounter
  • T40.606D Underdosing of unspecified narcotics, subsequent encounter
  • T40.606S Underdosing of unspecified narcotics, sequela
  • T40.695A Adverse effect of other narcotics, initial encounter
  • T40.695D Adverse effect of other narcotics, subsequent encounter
  • T40.695S Adverse effect of other narcotics, sequela
  • T40.696A Underdosing of other narcotics, initial encounter
  • T40.696D Underdosing of other narcotics, subsequent encounter
  • T40.696S Underdosing of other narcotics, sequela
  • T40.905A Adverse effect of unspecified psychodysleptics [hallucinogens], initial encounter
  • T40.905D Adverse effect of unspecified psychodysleptics [hallucinogens], subsequent encounter
  • T40.905S Adverse effect of unspecified psychodysleptics [hallucinogens], sequela
  • T40.906A Underdosing of unspecified psychodysleptics [hallucinogens], initial encounter
  • T40.906D Underdosing of unspecified psychodysleptics [hallucinogens], subsequent encounter
  • T40.906S Underdosing of unspecified psychodysleptics [hallucinogens], sequela
  • T40.995A Adverse effect of other psychodysleptics [hallucinogens], initial encounter
  • T40.995D Adverse effect of other psychodysleptics [hallucinogens], subsequent encounter
  • T40.995S Adverse effect of other psychodysleptics [hallucinogens], sequela