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R78.9

Billable

Finding of unspecified substance, 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 an unidentified or unspecified substance that shouldn't normally be present in the bloodstream.

Coding Tips

  • •This is a non-specific code; use only when the substance cannot be identified or classified into a more specific R78 category
  • •Encourage further testing and specification before finalizing the diagnosis code

Code Hierarchy

└R78Findings of drugs and other substances, not normally found in blood└R78.9Finding of unspecified substance, not normally found in blood
└R78.9Finding of unspecified substance, not normally found in blood

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