Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes
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Instructional notes
Excludes1: not coded here, use a different code
- contact with and (suspected) exposure to toxic substances (Z77.-)
Use additional code: add a second code for this, listed after this one
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
- Section I.C.19.e Adverse Effects, Poisoning, Underdosing and Toxic Effects (page 82), covers T51-T65
For adverse effects, code the effect first, then T36-T50 with character 5. Sequence poisonings (unknown intent coded accidental) and toxic effects (T51-T65) first; underdosing (character 6) is never first-listed.
Other Chapter 19 topics:
- Application of 7th Characters in Chapter 19 (page 77)
- Coding of Injuries (page 78)
- Coding of Traumatic Fractures (page 79)
- Coding of Burns and Corrosions (page 80)
- Adult and child abuse, neglect and other maltreatment (page 85)
- Complications of care (page 85)
Codes under T51-T65
T51-T65 can't be used on a claim. Pick a billable code below; grey headings group them.
- T51Toxic effect of alcohol
- T52Toxic effect of organic solvents
- T53Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons
- T54Toxic effect of corrosive substances
- T55Toxic effect of soaps and detergents
- T56Toxic effect of metals
- T57Toxic effect of other inorganic substances
- T58Toxic effect of carbon monoxide
- T59Toxic effect of other gases, fumes and vapors
- T60Toxic effect of pesticides
- T61Toxic effect of noxious substances eaten as seafood
- T62Toxic effect of other noxious substances eaten as food
- T63Toxic effect of contact with venomous animals and plants
- T64Toxic effect of aflatoxin and other mycotoxin food contaminants
- T65Toxic effect of other and unspecified substances
T51-T65 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to T51-T65
Notes on these codes point to T51-T65.
- D61.2 Code First: if applicable, toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
- G21.2 Code First: (T51-T65) to identify external agent
- G62.2 Code First: (T51-T65) to identify toxic agent
- G70.1 Code First: (T51-T65) to identify toxic agent
- G72.2 Code First: (T51-T65) to identify toxic agent
- H10.21 Code First: (T51-T65) to identify chemical and intent
- H46.3 Code First: (T51-T65) to identify cause
- J68 Code First: (T51-T65) to identify cause
- J69.1 Code First: (T51-T65) to identify substance
- J69.8 Code First: (T51-T65) to identify substance
- J70.8 Code First: (T51-T65) to identify the external agent
- J70.9 Code First: (T51-T65) to identify the external agent
- J84.89 Code First: poisoning due to drug or toxin (T51-T65 with fifth or sixth character to indicate intent), for toxic pneumonopathy
- K52.1 Code First: (T51-T65) to identify toxic agent
- K59.3 Code First: if applicable (T51-T65) to identify toxic agent
- T20.4 Code First: (T51-T65) to identify chemical and intent
- T20.5 Code First: (T51-T65) to identify chemical and intent
- T20.6 Code First: (T51-T65) to identify chemical and intent
- T20.7 Code First: (T51-T65) to identify chemical and intent
- T21.4 Code First: (T51-T65) to identify chemical and intent
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Alcohol
Many Americans drink alcohol at least occasionally. The Dietary Guidelines for Americans say that adults of legal drinking age should either not drink or drink in moderation. Drinking less is better for your health than drinking more. Also, there are some people who should not drink at all.
Read more about alcohol on MedlinePlus