T37.3X5A
✓ Billable
Adverse effect of other antiprotozoal drugs, initial encounter
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T37.3X5A
System
ICD-10-CM
Billable
Yes — valid for submission
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 T37.3X5A?
ICD-10-CM code T37.3X5A represents Adverse effect of other antiprotozoal drugs, initial encounter. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T37.3X5A billable?
Yes. T37.3X5A is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is T37.3X5A in?
T37.3X5A 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
Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
Non-billable
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
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