T37 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics.
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The appropriate 7th character is to be added to each code from category T37
A: initial encounter
D: subsequent encounter
S: sequela
Poisoning by, adverse effect of and underdosing of sulfonamides
Poisoning by, adverse effect of and underdosing of antimycobacterial drugs
Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa
Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs
Poisoning by, adverse effect of and underdosing of anthelminthics
Poisoning by, adverse effect of and underdosing of antiviral drugs
Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics
Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasitics
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