T38 ICD-10-CM Code: Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T38Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T38 sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- 3
Category T38
Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
- 4
Code T38
Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
More specific choices
Codes under T38
T38 is a non-billable category. Choose the child code that best matches the documented diagnosis.
T38.0Poisoning by, adverse effect of and underdosing of glucocorticoids and synthetic analogues
T38.1Poisoning by, adverse effect of and underdosing of thyroid hormones and substitutes
T38.2Poisoning by, adverse effect of and underdosing of antithyroid drugs
T38.3Poisoning by, adverse effect of and underdosing of insulin and oral hypoglycemic [antidiabetic] drugs
T38.4Poisoning by, adverse effect of and underdosing of oral contraceptives
T38.5Poisoning by, adverse effect of and underdosing of other estrogens and progestogens
T38.6Poisoning by, adverse effect of and underdosing of antigonadotrophins, antiestrogens, antiandrogens, not elsewhere classified
T38.7Poisoning by, adverse effect of and underdosing of androgens and anabolic congeners
T38.8Poisoning by, adverse effect of and underdosing of other and unspecified hormones and synthetic substitutes
T38.9Poisoning by, adverse effect of and underdosing of other and unspecified hormone antagonists
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T38.
Code first
No “code first” instruction is listed for T38.
Use additional code
No “use additional code” instruction is listed for T38.
Excludes1
Conditions that should not be reported together with this code.
- mineralocorticoids and their antagonists (T50.0-)
- oxytocic hormones (T48.0-)
- parathyroid hormones and derivatives (T50.9-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T38.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code T38 mean?
T38 is the FY 2027 U.S. ICD-10-CM code for “Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified.”
Is T38 a billable or specific ICD-10-CM code?
No. T38 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is T38 located in ICD-10-CM?
T38 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) (T36–T50), under category T38, Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified.
What coding notes are listed for T38?
No inclusion terms are listed for T38 in this reference record. No code-first instruction is listed. Excludes1 notes: mineralocorticoids and their antagonists (T50.0-); oxytocic hormones (T48.0-); parathyroid hormones and derivatives (T50.9-). No Excludes2 note is listed.
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