Skip to content

A92.1

Billable

O'nyong-nyong fever

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

O'nyong-nyong fever is a viral infection transmitted by mosquitoes that causes joint pain, fever, and rash, primarily occurring in Africa. The name means 'breaking bones' in the local language, referring to the severe joint pain patients experience.

Coding Tips

  • This code is used for confirmed cases of O'nyong-nyong fever; ensure documentation specifies this diagnosis rather than other similar arboviral infections like dengue or chikungunya
  • Code A92.1 is specific to O'nyong-nyong fever and should not be confused with other fever codes in the A92 category; verify the causative virus is identified in the medical record

Code Hierarchy

Open A92.1 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.