T43.6
Non-Billable

Poisoning by, adverse effect of and underdosing of psychostimulants

Non-Billable / Non-Specific Code

What is Poisoning by, adverse effect of and underdosing of psychostimulants?

ICD-10-CM T43.6 is the diagnosis code for Poisoning by, adverse effect of and underdosing of psychostimulants. This code falls under the section "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for T43.6

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as T43.6. They are mutually exclusive:

  • poisoning by, adverse effect of and underdosing of cocaine (T40.5-)

ICD-10-CM Code Hierarchy

Understanding where T43.6 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 7 entries
T43.60Poisoning by, adverse effect of and underdosing of unspecified psychostimulantNon-BillableT43.601Poisoning by unspecified psychostimulants, accidental (unintentional)BillableT43.602Poisoning by unspecified psychostimulants, intentional self-harmBillableT43.603Poisoning by unspecified psychostimulants, assaultBillableT43.604Poisoning by unspecified psychostimulants, undeterminedBillableT43.605Adverse effect of unspecified psychostimulantsBillableT43.606Underdosing of unspecified psychostimulantsBillableT43.61Poisoning by, adverse effect of and underdosing of caffeineNon-BillableT43.611Poisoning by caffeine, accidental (unintentional)BillableT43.612Poisoning by caffeine, intentional self-harmBillableT43.613Poisoning by caffeine, assaultBillableT43.614Poisoning by caffeine, undeterminedBillableT43.615Adverse effect of caffeineBillableT43.616Underdosing of caffeineBillableT43.62Poisoning by, adverse effect of and underdosing of amphetaminesNon-BillableT43.621Poisoning by amphetamines, accidental (unintentional)BillableT43.622Poisoning by amphetamines, intentional self-harmBillableT43.623Poisoning by amphetamines, assaultBillableT43.624Poisoning by amphetamines, undeterminedBillableT43.625Adverse effect of amphetaminesBillableT43.626Underdosing of amphetaminesBillableT43.63Poisoning by, adverse effect of and underdosing of methylphenidateNon-BillableT43.631Poisoning by methylphenidate, accidental (unintentional)BillableT43.632Poisoning by methylphenidate, intentional self-harmBillableT43.633Poisoning by methylphenidate, assaultBillableT43.634Poisoning by methylphenidate, undeterminedBillableT43.635Adverse effect of methylphenidateBillableT43.636Underdosing of methylphenidateBillableT43.64Poisoning by ecstasyNon-BillableT43.641Poisoning by ecstasy, accidental (unintentional)BillableT43.642Poisoning by ecstasy, intentional self-harmBillableT43.643Poisoning by ecstasy, assaultBillableT43.644Poisoning by ecstasy, undeterminedBillableT43.65Poisoning by, adverse effect of and underdosing of methamphetaminesNon-BillableT43.651Poisoning by methamphetamines accidental (unintentional)BillableT43.652Poisoning by methamphetamines intentional self-harmBillableT43.653Poisoning by methamphetamines, assaultBillableT43.654Poisoning by methamphetamines, undeterminedBillableT43.655Adverse effect of methamphetaminesBillableT43.656Underdosing of methamphetaminesBillableT43.69Poisoning by, adverse effect of and underdosing of other psychostimulantsNon-BillableT43.691Poisoning by other psychostimulants, accidental (unintentional)BillableT43.692Poisoning by other psychostimulants, intentional self-harmBillableT43.693Poisoning by other psychostimulants, assaultBillableT43.694Poisoning by other psychostimulants, undeterminedBillableT43.695Adverse effect of other psychostimulantsBillableT43.696Underdosing of other psychostimulantsBillable
Related Codes

Frequently Asked Questions

Is T43.6 a billable ICD-10-CM code?

No, T43.6 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T43.6 mean?

T43.6 is the ICD-10-CM diagnosis code for "Poisoning by, adverse effect of and underdosing of psychostimulants". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of T43.6?

The parent code of T43.6 is T43 ("Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified"). T43.6 provides a more specific classification within this category.

What section is T43.6 in?

T43.6 is located in Section T36-T50 — "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T43.6?

T43.6 has 7 sub-code(s) that provide more specific detail: T43.60, T43.61, T43.62, T43.63, T43.64 and more.

When should I use T43.6?

Use T43.6 when the patients documented diagnosis matches "Poisoning by, adverse effect of and underdosing of psychostimulants" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Poisoning by, adverse effect of and underdosing of psychostimulants?

The ICD-10-CM code for Poisoning by, adverse effect of and underdosing of psychostimulants is T43.6.

Can T43.6 be used for primary diagnosis?

No, T43.6 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T43.6 in?

T43.6 is in Chapter 19 of the ICD-10-CM Tabular List.

What conditions are excluded from T43.6?

Type 1 Excludes for T43.6 include: poisoning by, adverse effect of and underdosing of cocaine (T40.5-).

Is T43.6 valid for 2026?

Yes, T43.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT43.596Underdosing of other antipsychotics and neurolepticsNext →T43.60Poisoning by, adverse effect of and underdosing of unspecified psychostimulant
Code Details
T43.6
Poisoning by, adverse effect of and underdosing of psychostimulants
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50 — Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
2026 ICD-10-CM