T37.8X1
Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional)
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 6 never code together
T37code
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 5
T37.8X1code
Inclusion terms
- Poisoning by other specified systemic anti-infectives and antiparasitics NOS
T37.8code
Inclusion terms
- Poisoning by, adverse effect of and underdosing of hydroxyquinoline derivatives
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 5 same parent — T37.8X
T37.8X2 Poisoning by oth systemic anti-infect/parasit, self-harm category T37.8X3 Poisoning by oth systemic anti-infect/parasit, assault category T37.8X4 Poisoning by oth systemic anti-infect/parasit, undetermined category T37.8X5 Adverse effect of systemic anti-infect/parasit category T37.8X6 Underdosing of systemic anti-infectives and antiparasitics category
Subordinate codes 3
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.