ICD-10-CM code "T45.9": Poisoning by, adverse effect of and underdosing of unspecified primarily systemic and hematological agent (2024)

Overview

ICD-10 CodeT45.9
DescriptionPoisoning by, adverse effect of and underdosing of unspecified primarily systemic and hematological agent
Hierarchy
  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
  3. Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified (T45)
  4. Poisoning by, adverse effect of and underdosing of unspecified primarily systemic and hematological agent (T45.9)
Billable statusNon billable code

Excludes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)

    Type 1birth trauma (P10-P15)

    Type 1obstetric trauma (O70-O71)

  2. Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)

    Type 1toxic reaction to local anesthesia in pregnancy (O29.3-)

    Type 2abuse and dependence of psychoactive substances (F10-F19)

    Type 2abuse of non-dependence-producing substances (F55.-)

    Type 2immunodeficiency due to drugs (D84.821)

    Type 2drug reaction and poisoning affecting newborn (P00-P96)

    Type 2pathological drug intoxication (inebriation) (F10-F19)

  3. Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified (T45)
  4. Poisoning by, adverse effect of and underdosing of unspecified primarily systemic and hematological agent (T45.9)

Includes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)

    Includesadverse effect of correct substance properly administered

    Includespoisoning by overdose of substance

    Includespoisoning by wrong substance given or taken in error

    Includesunderdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed

  3. Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified (T45)
  4. Poisoning by, adverse effect of and underdosing of unspecified primarily systemic and hematological agent (T45.9)

Subcategories