All ICD10 Codes

T36

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Poisoning by, adverse effect of and underdosing of systemic antibiotics

Use a more specific code (0 billable, 11 non-billable)
T36.0Poisoning by, adverse effect of and underdosing of penicillinshas subcodesT36.1Poisoning by, adverse effect of and underdosing of cephalosporins and other beta-lactam antibioticshas subcodesT36.2Poisoning by, adverse effect of and underdosing of chloramphenicol grouphas subcodesT36.3Poisoning by, adverse effect of and underdosing of macrolideshas subcodesT36.4Poisoning by, adverse effect of and underdosing of tetracyclineshas subcodesT36.5Poisoning by, adverse effect of and underdosing of aminoglycosideshas subcodesT36.6Poisoning by, adverse effect of and underdosing of rifampicinshas subcodesT36.7Poisoning by, adverse effect of and underdosing of antifungal antibiotics, systemically usedhas subcodesT36.8Poisoning by, adverse effect of and underdosing of other systemic antibioticshas subcodesT36.9Poisoning by, adverse effect of and underdosing of unspecified systemic antibiotichas subcodesT36.APoisoning by, adverse effect of and underdosing of fluoroquinolone antibioticshas 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-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • antineoplastic antibiotics (T45.1-)
  • locally applied antibiotic NEC (T49.0)
  • topically used antibiotic for ear, nose and throat (T49.6)
  • topically used antibiotic for eye (T49.5)

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)
T36Poisoning by, adverse effect of and underdosing of systemic antibioticsNot billable
T36.0Poisoning by, adverse effect of and underdosing of penicillinsSubcodes
T36.1Poisoning by, adverse effect of and underdosing of cephalosporins and other beta-lactam antibioticsSubcodes
T36.2Poisoning by, adverse effect of and underdosing of chloramphenicol groupSubcodes
T36.3Poisoning by, adverse effect of and underdosing of macrolidesSubcodes
T36.4Poisoning by, adverse effect of and underdosing of tetracyclinesSubcodes
T36.5Poisoning by, adverse effect of and underdosing of aminoglycosidesSubcodes
T36.6Poisoning by, adverse effect of and underdosing of rifampicinsSubcodes
T36.7Poisoning by, adverse effect of and underdosing of antifungal antibiotics, systemically usedSubcodes
T36.8Poisoning by, adverse effect of and underdosing of other systemic antibioticsSubcodes
T36.9Poisoning by, adverse effect of and underdosing of unspecified systemic antibioticSubcodes
T36.APoisoning by, adverse effect of and underdosing of fluoroquinolone antibioticsSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T36:

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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