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ICD-10-CM 2027

ICD-10 code for breathing

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

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

About coding breathing

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

More specific breathing codes (official index)

  • labored
  • mouth R06.5 — Mouth breathing
  • causing malocclusion M26.59 — Other dentofacial functional abnormalities
  • periodic R06.3 — Periodic breathing
  • high altitude G47.32 — High altitude periodic breathing

Common questions about breathing ICD-10 codes

What is the ICD-10 code for mouth breathing?

R06.5 — Mouth breathing.

What is the ICD-10 code for periodic breathing?

R06.3 — Periodic breathing.