T52.823
⚠ Non-billable
Toxic effect of cycloparaffins, assault
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T52.823
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Also known as
- Toxic effects of naphthenes
- Toxic effects of cycloalkanes
Excludes1 — never code together
- halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)
7th character
- The appropriate 7th character is to be added to each code from category T52
Frequently asked questions
What is ICD-10 code T52.823?
ICD-10-CM code T52.823 represents Toxic effect of cycloparaffins, assault. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T52.823 billable?
No. T52.823 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is T52.823 in?
T52.823 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the T52 category
T52
Toxic effect of organic solvents
Non-billable
T52.0
Toxic effects of petroleum products
Non-billable
T52.1
Toxic effects of benzene
Non-billable
T52.2
Toxic effects of homologues of benzene
Non-billable
T52.0X
Toxic effects of petroleum products
Non-billable
T52.1X
Toxic effects of benzene
Non-billable
T52.2X
Toxic effects of homologues of benzene
Non-billable
T52.0X1
Toxic effect of petroleum products, accidental (unintentional)
Non-billable
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