T38.991
Poisoning by other hormone antagonists, accidental (unintentional)
- Release
- FY 2027
- Effective
Hierarchy
Where T38.991 sits in the official hierarchy. Each level is the code it is classified under.
- T38 Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
- T38.9 Poisoning by, adverse effect of and underdosing of other and unspecified hormone antagonists
- T38.99 Parent Poisoning by, adverse effect of and underdosing of other hormone antagonists
- T38.991 This code Poisoning by other hormone antagonists, accidental (unintentional)
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Poisoning by other hormone antagonists NOS
Excludes1
mineralocorticoids and their antagonists ( T50.0- )
Inherited from T38 — Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
7th Character
The appropriate 7th character is to be added to each code from category T38
Inherited from T38 — Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
7th Character
A - initial encounter
Inherited from T38 — Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
7th Character
D - subsequent encounter
Inherited from T38 — Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
7th Character
S - sequela
Inherited from T38 — Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
More Specific Codes
3 codes under T38.991
- T38.991A Poisoning by other hormone antagonists, accidental (unintentional), initial encounter Billable
- T38.991D Poisoning by other hormone antagonists, accidental (unintentional), subsequent encounter Billable
- T38.991S Poisoning by other hormone antagonists, accidental (unintentional), sequela Billable
Version History
How T38.991 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPoisoning by other hormone antagonists, accidental (unintentional)
-
FY 2026 Effective
UnchangedPoisoning by other hormone antagonists, accidental (unintentional)
Related Codes
Other codes under T38.99
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.
Look up another code
Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.