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ICD-10-CM 2027

ICD-10 code for phenomenon

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

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

About coding phenomenon

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

More specific phenomenon codes (official index)

  • Arthus'
  • jaw-winking Q07.8 — Other specified congenital malformations of nervous system
  • lupus erythematosus (LE) cell M32.9 — Systemic lupus erythematosus, unspecified
  • Raynaud's (secondary) I73.00 — Raynaud's syndrome without gangrene
  • with gangrene I73.01 — Raynaud's syndrome with gangrene
  • vasomotor R55 — Syncope and collapse
  • vasospastic I73.9 — Peripheral vascular disease, unspecified
  • vasovagal R55 — Syncope and collapse
  • Wenckebach's I44.1 — Atrioventricular block, second degree

Common questions about phenomenon ICD-10 codes

What is the ICD-10 code for jaw-winking phenomenon?

Q07.8 — Other specified congenital malformations of nervous system.

What is the ICD-10 code for lupus erythematosus cell phenomenon?

M32.9 — Systemic lupus erythematosus, unspecified.

What is the ICD-10 code for raynaud's phenomenon?

I73.00 — Raynaud's syndrome without gangrene.

What is the ICD-10 code for vasomotor phenomenon?

R55 — Syncope and collapse.

What is the ICD-10 code for vasospastic phenomenon?

I73.9 — Peripheral vascular disease, unspecified.

What is the ICD-10 code for vasovagal phenomenon?

R55 — Syncope and collapse.

What is the ICD-10 code for wenckebach's phenomenon?

I44.1 — Atrioventricular block, second degree.