T43.603D
✓ BillablePoisoning by unspecified psychostimulants, assault, subsequent encounter
Injury, poisoning and certain other consequences of external causes (S00-T88)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • poisoning by, adverse effect of and underdosing of cocaine (T40.5-)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • appetite depressants (T50.5-)
- • barbiturates (T42.3-)
- • benzodiazepines (T42.4-)
- • drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.- -F19.-)
- • methaqualone (T42.6-)
- • psychodysleptics [hallucinogens] (T40.7-T40.9-)
Clinical Description
ICD-10-CM code T43.603D represents poisoning by unspecified psychostimulants, assault, subsequent encounter. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory. Coders should note that T43.603D has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code T43.603D?
ICD-10-CM code T43.603D is "Poisoning by unspecified psychostimulants, assault, subsequent encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T43.603D a billable ICD-10 code?
Yes, T43.603D is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with T43.603D?
T43.603D has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can T43.603D be coded with other codes?
T43.603D has 6 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in T43.603
Other codes in the same category that may be relevant for differential coding:
🧪 Validate Combinations
Add T43.603D to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)