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ICD-10-CM 2027

ICD-10 code for Self-poisoning

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Self-poisoning”. Page updated September 29, 2026.

About coding Self-poisoning

The official ICD-10-CM index doesn't give a single default code for self-poisoning; the code depends on the details below.

More specific Self-poisoning codes (official index)

  • history (personal) Z91.51 — Personal history of suicidal behavior
  • in family Z81.8 — Family history of other mental and behavioral disorders
  • observation following (alleged) attempt Z03.6 — Encounter for observation for suspected toxic effect from ingested substance ruled out

Common questions about Self-poisoning ICD-10 codes

What is the ICD-10 code for history self-poisoning?

Z91.51 — Personal history of suicidal behavior.

What is the ICD-10 code for observation following attempt self-poisoning?

Z03.6 — Encounter for observation for suspected toxic effect from ingested substance ruled out.