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T38

Non-billable

Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified

T38 is the ICD-10-CM code for Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified. It is a non-billable category code — use a more specific child code such as T38.0 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Subcodes
10
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Excludes1 — not coded here

  • •mineralocorticoids and their antagonists (T50.0-)
  • •oxytocic hormones (T48.0-)
  • •parathyroid hormones and derivatives (T50.9-)

Frequently asked questions

What is ICD-10 code T38?
T38 is the ICD-10-CM code for "Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T38 a billable code?
No — T38 is a non-billable header code. Use a more specific child code (such as T38.0) for billing.
What are the subcodes of T38?
T38 has 10 more specific child codes, including T38.0, T38.1, T38.2.
What is excluded from T38?
Excludes1 (not coded here): mineralocorticoids and their antagonists (T50.0-); oxytocic hormones (T48.0-); parathyroid hormones and derivatives (T50.9-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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