T65.2 is the authoritative medical code for Toxic effect of tobacco and nicotine. This classification is used in medical billing and clinical recording to specify the clinical criteria for toxic effect of tobacco and nicotine (ICD-10-CM T65.2), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Toxic effect of tobacco and nicotine is a non-billable ICD-10-CM category code T65.2. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): contact with and suspected exposure to toxic substances Z77.-. Excludes2 (not included here): nicotine dependence F17.-. Use additional code: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents J60-J70; personal history of foreign body fully removed Z87.821; to identify any retained foreign body, if applicable Z18.-. 7th character: The appropriate 7th character is to be added to each code from category T65.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T65.2 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- contact with and suspected exposure to toxic substances Z77.-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- nicotine dependence F17.-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code(s):
- for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents J60-J70
- personal history of foreign body fully removed Z87.821
- to identify any retained foreign body, if applicable Z18.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can T65.2 be billed directly?
No. T65.2 (Toxic effect of tobacco and nicotine) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does T65.2 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T65.
What can't be coded together with T65.2?
Per Excludes1 instructions, T65.2 must not be reported with: contact with and (suspected) exposure to toxic substances (Z77.-).
Can T65.2 be reported alongside related conditions?
Per Excludes2 instructions, T65.2 and the following may both be reported when both are present: nicotine dependence (F17.-).
Is an additional code needed with T65.2?
Use additional code(s) to specify: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70); personal history of foreign body fully removed (Z87.821); to identify any retained foreign body, if applicable (Z18.-).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as T65.2, with their registry titles.
- T65 — Toxic effect of other and unspecified substances
- T65.0 — Toxic effect of cyanides
- T65.0X — Toxic effect of cyanides
- T65.0X1 — Toxic effect of cyanides, accidental (unintentional)
- T65.0X1A — Toxic effect of cyanides, accidental (unintentional), initial encounter
- T65.0X1D — Toxic effect of cyanides, accidental (unintentional), subsequent encounter
- T65.0X1S — Toxic effect of cyanides, accidental (unintentional), sequela
- T65.0X2 — Toxic effect of cyanides, intentional self-harm
- T65.0X2A — Toxic effect of cyanides, intentional self-harm, initial encounter
- T65.0X2D — Toxic effect of cyanides, intentional self-harm, subsequent encounter
- T65.0X2S — Toxic effect of cyanides, intentional self-harm, sequela
- T65.0X3 — Toxic effect of cyanides, assault
- T65.0X3A — Toxic effect of cyanides, assault, initial encounter
- T65.0X3D — Toxic effect of cyanides, assault, subsequent encounter
- T65.0X3S — Toxic effect of cyanides, assault, sequela
- T65.0X4 — Toxic effect of cyanides, undetermined
- T65.0X4A — Toxic effect of cyanides, undetermined, initial encounter
- T65.0X4D — Toxic effect of cyanides, undetermined, subsequent encounter
- T65.0X4S — Toxic effect of cyanides, undetermined, sequela
- T65.1 — Toxic effect of strychnine and its salts
- T65.1X — Toxic effect of strychnine and its salts
- T65.1X1 — Toxic effect of strychnine and its salts, accidental (unintentional)
- T65.1X1A — Toxic effect of strychnine and its salts, accidental (unintentional), initial encounter
- T65.1X1D — Toxic effect of strychnine and its salts, accidental (unintentional), subsequent encounter
- T65.1X1S — Toxic effect of strychnine and its salts, accidental (unintentional), sequela
- T65.1X2 — Toxic effect of strychnine and its salts, intentional self-harm
- T65.1X2A — Toxic effect of strychnine and its salts, intentional self-harm, initial encounter
- T65.1X2D — Toxic effect of strychnine and its salts, intentional self-harm, subsequent encounter
- T65.1X2S — Toxic effect of strychnine and its salts, intentional self-harm, sequela
- T65.1X3 — Toxic effect of strychnine and its salts, assault
- T65.1X3A — Toxic effect of strychnine and its salts, assault, initial encounter
- T65.1X3D — Toxic effect of strychnine and its salts, assault, subsequent encounter
- T65.1X3S — Toxic effect of strychnine and its salts, assault, sequela
- T65.1X4 — Toxic effect of strychnine and its salts, undetermined
- T65.1X4A — Toxic effect of strychnine and its salts, undetermined, initial encounter
- T65.1X4D — Toxic effect of strychnine and its salts, undetermined, subsequent encounter
- T65.1X4S — Toxic effect of strychnine and its salts, undetermined, sequela
- T65.21 — Toxic effect of chewing tobacco
- T65.211 — Toxic effect of chewing tobacco, accidental (unintentional)
- T65.211A — Toxic effect of chewing tobacco, accidental (unintentional), initial encounter
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: