T36.AX is a new non-billable/non-specific diagnosis code introduced in the 2026 ICD-10-CM used to classify the following condition: Poisoning by, adverse effect of and underdosing of fluoroquinolone antibiotics.
Codes
T36.AX3
Poisoning by fluoroquinolone antibiotics, assault
T36.AX2
Poisoning by fluoroquinolone antibiotics, intentional self-harm
T36.AX1
Poisoning by fluoroquinolone antibiotics, accidental (unintentional)
T36.AX6
Underdosing of fluoroquinolone antibiotics
T36.AX5
Adverse effect of fluoroquinolone antibiotics
T36.AX4
Poisoning by fluoroquinolone antibiotics, undetermined
Versions
2026
New code