T36 ICD-10-CM Code: Poisoning by, adverse effect of and underdosing of systemic antibiotics
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T36Poisoning by, adverse effect of and underdosing of systemic antibiotics
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T36 sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- 3
Category T36
Poisoning by, adverse effect of and underdosing of systemic antibiotics
- 4
Code T36
Poisoning by, adverse effect of and underdosing of systemic antibiotics
More specific choices
Codes under T36
T36 is a non-billable category. Choose the child code that best matches the documented diagnosis.
T36.0Poisoning by, adverse effect of and underdosing of penicillins
T36.1Poisoning by, adverse effect of and underdosing of cephalosporins and other beta-lactam antibiotics
T36.2Poisoning by, adverse effect of and underdosing of chloramphenicol group
T36.3Poisoning by, adverse effect of and underdosing of macrolides
T36.4Poisoning by, adverse effect of and underdosing of tetracyclines
T36.5Poisoning by, adverse effect of and underdosing of aminoglycosides
T36.6Poisoning by, adverse effect of and underdosing of rifampicins
T36.7Poisoning by, adverse effect of and underdosing of antifungal antibiotics, systemically used
T36.8Poisoning by, adverse effect of and underdosing of other systemic antibiotics
T36.9Poisoning by, adverse effect of and underdosing of unspecified systemic antibiotic
T36.APoisoning by, adverse effect of and underdosing of fluoroquinolone antibiotics
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T36.
Code first
No “code first” instruction is listed for T36.
Use additional code
No “use additional code” instruction is listed for T36.
Excludes1
Conditions that should not be reported together with this 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)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T36.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code T36 mean?
T36 is the FY 2027 U.S. ICD-10-CM code for “Poisoning by, adverse effect of and underdosing of systemic antibiotics.”
Is T36 a billable or specific ICD-10-CM code?
No. T36 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is T36 located in ICD-10-CM?
T36 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) (T36–T50), under category T36, Poisoning by, adverse effect of and underdosing of systemic antibiotics.
What coding notes are listed for T36?
No inclusion terms are listed for T36 in this reference record. No code-first instruction is listed. Excludes1 notes: 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). No Excludes2 note is listed.
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