T38.1X4
Poisoning by thyroid hormones and substitutes, undetermined
- Release
- FY 2027
- Effective
Hierarchy
Where T38.1X4 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
- T38.1 Poisoning by, adverse effect of and underdosing of thyroid hormones and substitutes
- T38.1X Parent Poisoning by, adverse effect of and underdosing of thyroid hormones and substitutes
- T38.1X4 This code Poisoning by thyroid hormones and substitutes, undetermined
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.
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 T38.1X4
Version History
How T38.1X4 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentPoisoning by thyroid hormones and substitutes, undetermined
-
FY 2026 Effective
UnchangedPoisoning by thyroid hormones and substitutes, undetermined
Related Codes
Other codes under T38.1X
- T38.1X1 Poisoning by thyroid hormones and substitutes, accidental (unintentional)
- T38.1X2 Poisoning by thyroid hormones and substitutes, intentional self-harm
- T38.1X3 Poisoning by thyroid hormones and substitutes, assault
- T38.1X5 Adverse effect of thyroid hormones and substitutes
- T38.1X6 Underdosing of thyroid hormones and substitutes
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)
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