Poisoning by, adverse effect of and underdosing of systemic antibiotics

**Excludes1:** - 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)

**7th character note:** - The appropriate 7th character is to be added to each code from category T36

**7th character:** - A: initial encounter - D: subsequent encounter - S: sequela