Skip to content
HCC Buddy home

G93.31

Billable

Postviral fatigue syndrome

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

What This Code Means

Severe tiredness and weakness that develops after a viral infection and can persist for months or years.

Coding Tips

  • •Requires documentation of a preceding viral illness and the timeline of symptom onset
  • •This code is distinct from chronic fatigue syndrome (ME/CFS) and should only be used when fatigue clearly follows a documented viral infection

Code Hierarchy

└G93Other disorders of brain└G93.3Postviral and related fatigue syndromes└G93.31Postviral fatigue syndrome
└G93.31Postviral fatigue syndrome

Open G93.31 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.

Open in EncoderStart 14-Day Pro Trial