T37
⚠ Non-billable
Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T37
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code T37?
ICD-10-CM code T37 represents Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T37 billable?
No. T37 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is T37 in?
T37 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the T37 category
T37.0
Poisoning by, adverse effect of and underdosing of sulfonamides
Non-billable
T37.1
Poisoning by, adverse effect of and underdosing of antimycobacterial drugs
Non-billable
T37.2
Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa
Non-billable
T37.3
Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs
Non-billable
T37.4
Poisoning by, adverse effect of and underdosing of anthelminthics
Non-billable
T37.5
Poisoning by, adverse effect of and underdosing of antiviral drugs
Non-billable
T37.8
Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics
Non-billable
T37.9
Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasitics
Non-billable
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