T38.991
Poisoning by other hormone antagonists, accidental (unintentional)
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
T38code
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 4
T38.991code
Inclusion terms
- Poisoning by other hormone antagonists NOS
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 — T38.99
T38.992 Poisoning by oth hormone antagonists, intentional self-harm category T38.993 Poisoning by other hormone antagonists, assault category T38.994 Poisoning by other hormone antagonists, undetermined category T38.995 Adverse effect of other hormone antagonists category T38.996 Underdosing of other hormone antagonists 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.