Skip to content

R78.89

Billable

Finding of other specified substances, not normally found in blood

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

What This Code Means

Blood test results showing the presence of other unusual substances that are not normally found in human blood.

Coding Tips

  • Use this code only when the substance doesn't fit into other R78 categories; be as specific as possible about what substance was found
  • Document the clinical significance and whether further investigation or treatment is warranted

Code Hierarchy

Open R78.89 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.