All ICD10 Codes

T48

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system

Use a more specific code (0 billable, 8 non-billable)
T48.0Poisoning by, adverse effect of and underdosing of oxytocic drugshas subcodesT48.1Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents]has subcodesT48.2Poisoning by, adverse effect of and underdosing of other and unspecified drugs acting on muscleshas subcodesT48.3Poisoning by, adverse effect of and underdosing of antitussiveshas subcodesT48.4Poisoning by, adverse effect of and underdosing of expectorantshas subcodesT48.5Poisoning by, adverse effect of and underdosing of other anti-common-cold drugshas subcodesT48.6Poisoning by, adverse effect of and underdosing of antiasthmatics, not elsewhere classifiedhas subcodesT48.9Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily acting on the respiratory systemhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T36-T50 Parent Instructions

Includes
  • adverse effect of correct substance properly administered
  • poisoning by overdose of substance
  • poisoning by wrong substance given or taken in error
  • underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed
Excludes1(Not coded here. Use a different code.)
  • toxic reaction to local anesthesia in pregnancy (O29.3-)
Excludes2(Not included here. Code separately if applicable.)
  • abuse and dependence of psychoactive substances (F10-F19)
  • abuse of non-dependence-producing substances (F55.-)
  • immunodeficiency due to drugs (D84.821)
  • drug reaction and poisoning affecting newborn (P00-P96)
  • pathological drug intoxication (inebriation) (F10-F19)
Code First
  • , for adverse effects, the nature of the adverse effect, such as:
  • adverse effect NOS (T88.7)
  • aspirin gastritis (K29.-)
  • blood disorders (D56-D76)
  • contact dermatitis (L23-L25)
  • dermatitis due to substances taken internally (L27.-)
  • nephropathy (N14.0-N14.2)
Use Additional Code
  • code(s) to specify:
  • manifestations of poisoning
  • underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
  • underdosing of medication regimen (Z91.12-, Z91.13-)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T48Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory systemNot billable
T48.0Poisoning by, adverse effect of and underdosing of oxytocic drugsSubcodes
T48.1Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents]Subcodes
T48.2Poisoning by, adverse effect of and underdosing of other and unspecified drugs acting on musclesSubcodes
T48.3Poisoning by, adverse effect of and underdosing of antitussivesSubcodes
T48.4Poisoning by, adverse effect of and underdosing of expectorantsSubcodes
T48.5Poisoning by, adverse effect of and underdosing of other anti-common-cold drugsSubcodes
T48.6Poisoning by, adverse effect of and underdosing of antiasthmatics, not elsewhere classifiedSubcodes
T48.9Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily acting on the respiratory systemSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T48:

blockT36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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