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ICD-10-CM 2027

ICD-10 code for temperature

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

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

About coding temperature

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

More specific temperature codes (official index)

  • body, high (of unknown origin) R50.9 — Fever, unspecified
  • cold, trauma from T69.9 — Effect of reduced temperature, unspecified
  • newborn P80.0 — Cold injury syndrome
  • specified effect NEC T69.8 — Other specified effects of reduced temperature