T37.8X

⚠ Non-billable (Header)

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

Injury, poisoning and certain other consequences of external causes (S00-T88)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

  • antimalarial drugs (T37.2-)
  • 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-)

Clinical Description

ICD-10-CM code T37.8X represents poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 6-character code at the 5th level of specificity. There are 6 more specific child codes under T37.8X. Coders should note that T37.8X has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code T37.8X?

ICD-10-CM code T37.8X is "Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is T37.8X a billable ICD-10 code?

No, T37.8X is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with T37.8X?

T37.8X has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

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Code Information

CodeT37.8X
BillableNo — Header code
ParentT37.8
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes14 rule(s)
Excludes20 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)