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T62.8X3 ICD-10-CM Code: Toxic effect of other specified noxious substances eaten as food, assault

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Coding at a Glance

7th character
Required — see the character table on this page
Tabular directives
12 Excludes1 · 4 use-additional codes

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for T62.8X3 in the official ICD-10-CM tabular list, quoted as published.

Notes without a marker are published on T62.8X3 itself; “inherited from” names the category or block whose note applies here.

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional 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.-)

Source: inherited from T51-T65

7th Character Guide

"The appropriate 7th character is to be added to each code from category T62"

  • A — initial encounter
  • D — subsequent encounter
  • S — sequela

How the encounter character is assigned. “Initial encounter” means the patient is receiving active treatment for the condition — it is not limited to the first visit, and a different or new provider giving active treatment still assigns it. “Subsequent encounter” covers care during the healing or recovery phase after active treatment. “Sequela” is for complications or conditions that arise as a direct result of the original condition.

ICD-10-CM Official Guidelines for Coding and Reporting, Section I.C.19.a (paraphrased by MedCoder).

Variant codes in this family

T62.8X3A, T62.8X3D, T62.8X3S

Character meanings are CMS's official 7th-character extensions for this family, as carried in each variant code's official description; variant codes are registry rows. The explanation of how the encounter character is assigned is MedCoder editorial, distinct from the official content above it.

Coder workflow for T62.8X3

MedCoder structured workflow — derived from this code’s own official record

Before you code T62.8X3

  1. T62.8X3 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).

    ReviewT62.8X3A, T62.8X3D, T62.8X3S

    See the relationships section · Guide: How to choose an ICD-10-CM code →

  2. “Other” (NEC) means the condition is specified in the record but no dedicated code captures it. Confirm the documented form is not one a sibling code names before settling on T62.8X3; if the record states no specifics at all, the unspecified sibling applies instead. “Other” codes are for documented conditions the classification gives no specific code; “unspecified” codes are for records lacking the detail (Guidelines I.A.9.a, I.A.9.b).

    See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →

  3. A 7th character is required in this family. Confirm the documented encounter: initial (active treatment), subsequent (healing or recovery phase), or sequela. T62.8X3 is not valid without one. “Initial” means active treatment, not the first visit (Guidelines I.C.19.a).

    See the 7th Character Guide · Guide: 7th characters: initial, subsequent, sequela →

  4. Confirm whether the documentation describes a poisoning, an adverse effect of a correctly prescribed and administered drug, an underdosing, or a toxic effect, and the intent where the record states it: the Table of Drugs and Chemicals separates these by column, and the sequencing differs for each. Poisoning, adverse effect and underdosing guidelines (Guidelines I.C.19.e).

    See the Table of Drugs and Chemicals entries · Guide: Poisoning vs adverse effect vs underdosing →

  5. Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with T62.8X3. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).

    See the official tabular notes

Choose the right path

  1. Does the documentation support one of the more specific codes beneath T62.8X3?
    Yes → Select that code and continue the checks below on its own page.
    No → T62.8X3 cannot be reported as written; query for the specificity its subcategory needs.

    ReviewT62.8X3A, T62.8X3D, T62.8X3S

  2. Does the documentation support a condition named in T62.8X3’s Excludes1 note?
    Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
    No → Continue.

    ReviewT78.0, A05, L23.6, L25.4, L27.2, K52.21

  3. Is the encounter phase documented — active treatment, healing or recovery, or a sequela?
    Yes → Assign the matching 7th character; the variant codes are in the 7th Character Guide.
    No → The code is invalid without its 7th character — query for the missing element.

Consider T62.8X3. Then work the Use Additional Code note, and confirm the code is valid for the date of service in the Verify section.

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
Encounter type
Active treatment, healing or recovery phase, or sequela — the basis of the 7th character (Guidelines I.C.19.a).
The conditions the Use Additional Code note names
Reported with this code when documented; a conditional instruction (“if applicable”, “if known”) applies only when the record supports it.
External cause, place and activity
For the external cause codes reported with the injury or poisoning, where documented (Guidelines I.C.20.a).
Any detail beyond this code’s title
What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.

Official instructions as workflow

  • Excludes1 — check before selecting T62.8X3(12 notes)

    Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with T62.8X3: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.

    CompareT78.0, A05, L23.6, L25.4, L27.2, K52.21

    See the official tabular notes · Guidelines I.A.12.a

  • Use Additional Code — after identifying T62.8X3(4 notes)

    Coding workflow: Check whether the documentation supports the additional code(s) the note names, and report them with T62.8X3 when it does. Where the instruction is conditional (“if applicable”, “if known”), it applies only when the record documents the condition.

    ReviewZ87.821, Z18

    See the official tabular notes · Guidelines I.A.13

Coding decision scenarios

Pattern scenarios for this code’s structure — decision rules, not clinical cases

Documentation: Both the condition T62.8X3 describes and a condition named in its Excludes1 note are documented for the same encounter.

Coding question: Can both codes be reported?

Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.

Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).

ReviewT78.0, A05, L23.6, L25.4, L27.2, K52.21

Documentation: The patient returns during the healing or recovery phase after active treatment of the same condition.

Coding question: Which 7th character applies?

Path: Review the official 7th-character definitions for this family in the 7th Character Guide.

Reason: “Initial encounter” means active treatment, not the first visit; care during recovery takes “subsequent encounter”, and a complication arising from the original condition takes “sequela” (Guidelines I.C.19.a).

Documentation: A condition the Use Additional Code note names is documented.

Coding question: Is a second code reported with T62.8X3?

Path: Review the Use Additional Code note and the code it names.

Reason: The additional code is reported when the record documents the condition; a conditional instruction applies only when its condition is met (Guidelines I.A.13).

ReviewZ87.821, Z18

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Code Overview

Toxic effect of other specified noxious substances eaten as food, assault is a non-billable ICD-10-CM category code (T62.8X3). A more specific billable subcode must be selected for claims submission.

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Associated Substances (5)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Substances from the official ICD-10-CM Table of Drugs and Chemicals that map to this code.

  • Bitter almond oil
  • Bone meal
  • Coffee
  • Meat, noxious
  • Pyrrolizidine alkaloids

Decision Points

The directives on this code's own record, as a pre-claim checklist.

  1. A 7th character applies in this family. Confirm the documented encounter matches the character assigned. See the official 7th-character definitions and this code’s variants
  2. 4 Use Additional Code instructions — report the named additional code(s) when the documentation supports them. See the Use Additional Code notes
  3. 12 Excludes1 entries — codes named there are generally not reported together with this code (Guidelines I.A.12.a). See the Excludes1 notes

Checklist rows are derived from this code's own official directives; the wording of each check is MedCoder editorial. The official notes themselves are in the sections each row links to.

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

MedCoder structured relationships — computed from published CMS and AHRQ datasets

Other codes that name T62.8X3 or its code family, from the CMS ICD-10-CM tabular instructional notes and the CMS Table of Drugs and Chemicals. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 1 Excludes1 note: A05 — Other bacterial foodborne intoxications, not elsewhere classified (via T62.-).

These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.

Referenced by 12 Excludes2 notes across 2 chapters: T63 — Toxic effect of contact with venomous animals and plants (via T62.-), T80 — Complications following infusion, transfusion and therapeutic injection (via T62.-), T80-T88 — Complications of surgical and medical care, not elsewhere classified (T80-T88) (via T62.-), T81 — Complications of procedures, not elsewhere classified (via T62.-), T82 — Complications of cardiac and vascular prosthetic devices, implants and grafts (via T62.-), T83 — Complications of genitourinary prosthetic devices, implants and grafts (via T62.-), T84 — Complications of internal orthopedic prosthetic devices, implants and grafts (via T62.-), T85 — Complications of other internal prosthetic devices, implants and grafts (via T62.-), T86 — Complications of transplanted organs and tissue (via T62.-), T87 — Complications peculiar to reattachment and amputation (via T62.-), T88 — Other complications of surgical and medical care, not elsewhere classified (via T62.-), Z77 — Other contact with and (suspected) exposures hazardous to health (via T62.-).

These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.

Referenced by 68 Code First instructions across 14 chapters: D61.2 — Aplastic anemia due to other external agents (via T62.-), D64.2 — Secondary sideroblastic anemia due to drugs and toxins (via T62.-), E03.2 — Hypothyroidism due to medicaments and other exogenous substances (via T62.-), E09 — Drug or chemical induced diabetes mellitus (via T62.-), F02 — Dementia in other diseases classified elsewhere (via T62.-), G21.2 — Secondary parkinsonism due to other external agents (via T62.-), G62.2 — Polyneuropathy due to other toxic agents (via T62.-), G70.1 — Toxic myoneural disorders (via T62.-), G72.2 — Myopathy due to other toxic agents (via T62.-), G92.8 — Other toxic encephalopathy (via T62.-), G92.9 — Unspecified toxic encephalopathy (via T62.-), H10.21 — Acute toxic conjunctivitis (via T62.-), H35.38 — Toxic maculopathy (via T62.-), H46.3 — Toxic optic neuropathy (via T62.-), H91.0 — Ototoxic hearing loss (via T62.-), I42.7 — Cardiomyopathy due to drug and external agent (via T62.-), J68 — Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors (via T62.-), J69.1 — Pneumonitis due to inhalation of oils and essences (via T62.-), J69.8 — Pneumonitis due to inhalation of other solids and liquids (via T62.-), J70.8 — Respiratory conditions due to other specified external agents (via T62.-), +48 more.

Each of these codes carries a Code First note naming this condition — when that code is reported, THIS code is sequenced first, ahead of it.

Referenced by 3 Same-substance codes: T62.8X1 — Toxic effect of other specified noxious substances eaten as food, accidental (unintentional)Compare T62.8X3 vs T62.8X1 →, T62.8X2 — Toxic effect of other specified noxious substances eaten as food, intentional self-harmCompare T62.8X3 vs T62.8X2 →, T62.8X4 — Toxic effect of other specified noxious substances eaten as food, undeterminedCompare T62.8X3 vs T62.8X4 →.

These codes capture different clinical presentations of exposure to the same drug or substance.

Contextual Map

Every relationship of T62.8X3 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run T62.8X3 with these 17 related codes in Claim Check

Hierarchy

Same substance

Referenced by Excludes1 notes

Referenced by Excludes2 notes (12)

Referenced by Code First instructions (68)

Referenced by Same-substance codes

Drugs & chemicals

  • Bitter almond oil — Bitter almond oil — Poisoning, Assault [Drug table]: “Bitter almond oil (Poisoning, Assault)”— CMS Table of Drugs and Chemicals · icd10cm-fy2026
  • Bone meal — Bone meal — Poisoning, Assault [Drug table]: “Bone meal (Poisoning, Assault)”— CMS Table of Drugs and Chemicals · icd10cm-fy2026
  • Coffee — Coffee — Poisoning, Assault [Drug table]: “Coffee (Poisoning, Assault)”— CMS Table of Drugs and Chemicals · icd10cm-fy2026
  • Meat, noxious — Meat, noxious — Poisoning, Assault [Drug table]: “Meat, noxious (Poisoning, Assault)”— CMS Table of Drugs and Chemicals · icd10cm-fy2026
  • Pyrrolizidine alkaloids — Pyrrolizidine alkaloids — Poisoning, Assault [Drug table]: “Pyrrolizidine alkaloids (Poisoning, Assault)”— CMS Table of Drugs and Chemicals · icd10cm-fy2026

Nearest codes (40)

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

Common coding questions

Can T62.8X3 be billed directly?

No. T62.8X3 (Toxic effect of other specified noxious substances eaten as food, assault) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does T62.8X3 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category T62.

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder structured relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Toxic effect of other specified noxious substances eaten as food, assault

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027 (effective October 1, 2026), and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to T62.8X3 in its code family, with their registry titles.

View all codes in the T62 family