T54.2X2 is the authoritative medical code for Toxic effect of corrosive acids and acid-like substances, intentional self-harm. This classification is used in medical billing and clinical recording to specify the clinical criteria for toxic effect of corrosive acids and acid-like substances, intentional self-harm (ICD-10-CM T54.2X2), 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 corrosive acids and acid-like substances, intentional self-harm is a non-billable ICD-10-CM category code T54.2X2. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): contact with and suspected exposure to toxic substances Z77.-. 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 T54.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T54.2X2 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.-
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 T54.2X2 be billed directly?
No. T54.2X2 (Toxic effect of corrosive acids and acid-like substances, intentional self-harm) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does T54.2X2 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T54.
What can't be coded together with T54.2X2?
Per official ICD-10-CM Excludes1 instructions, T54.2X2 must not be reported together with: contact with and (suspected) exposure to toxic substances (Z77.-).
Is an additional code needed with T54.2X2?
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.-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T54.2X2 in its code family, with their registry titles.
- T54 — Toxic effect of corrosive substances
- T54.0 — Toxic effects of phenol and phenol homologues
- T54.0X — Toxic effects of phenol and phenol homologues
- T54.0X1 — Toxic effect of phenol and phenol homologues, accidental (unintentional)
- T54.0X1A — Toxic effect of phenol and phenol homologues, accidental (unintentional), initial encounter
- T54.0X1D — Toxic effect of phenol and phenol homologues, accidental (unintentional), subsequent encounter
- T54.0X1S — Toxic effect of phenol and phenol homologues, accidental (unintentional), sequela
- T54.0X2 — Toxic effect of phenol and phenol homologues, intentional self-harm
- T54.0X2A — Toxic effect of phenol and phenol homologues, intentional self-harm, initial encounter
- T54.0X2D — Toxic effect of phenol and phenol homologues, intentional self-harm, subsequent encounter
View all 40 codes in the T54 family
Associated Substances (17)
Substances from the official ICD-10-CM Table of Drugs and Chemicals that map to this code.
- AcidNEC (corrosive)
- Aqua fortis
- Battery acid or fluid
- Formic acid
- Hydrazoic acid, azides
- Hydrochloric acid (liquid)
- Hydrofluoric acid (liquid)
- Nitrohydrochloric acid
- Orthotolidine (reagent)
- Osmic acid (liquid)
- Oxalic acid
- Phosphoric acid
- Picric (acid)
- Saniflush (cleaner)
- Storage battery (cells) (acid)
- Sulfuric acid
- Trichloroacetic acid, Trichloracetic acid