T52.813Not billable, use a more specific code below

Toxic effect of alkenes, assault

Under T52.81 Toxic effects of alkenes, in Toxic effects of substances chiefly nonmedicinal as to source (T51-T65), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes

3 billable codes under T52.813: none are a CC or MCC; none map to an HCC.

Instructional notes

Also applies, from T52: Toxic effect of organic solvents

These notes sit on T52 and apply to every code under it, including T52.813.

Excludes1: not coded here, use a different code

  • halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)

Also applies, from Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

These notes sit on T51-T65 and apply to every code under it, including T52.813.

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

  • 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.-)

MS-DRGs

As the principal diagnosis, the billable codes under T52.813 group to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Code history

Added in FY2027 (effective October 1, 2026). No changes since.