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ICD-10-CM 2027

ICD-10 code for sick syndrome

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

From the official ICD-10-CM alphabetic index entry “Syndrome › sick”. Page updated September 29, 2026.

About coding sick syndrome

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

More specific sick syndrome codes (official index)

  • cell E87.1 — Hypo-osmolality and hyponatremia
  • sinus I49.5 — Sick sinus syndrome

Common questions about sick syndrome ICD-10 codes

What is the ICD-10 code for cell sick syndrome?

E87.1 — Hypo-osmolality and hyponatremia.

What is the ICD-10 code for sinus sick syndrome?

I49.5 — Sick sinus syndrome.