Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics

**Excludes1:** - anti-infectives topically used for ear, nose and throat (T49.6-) - anti-infectives topically used for eye (T49.5-) - locally applied anti-infectives NEC (T49.0-)

**7th character note:** - The appropriate 7th character is to be added to each code from category T37

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