10ICD Code Hub

R78.89

Billable code

Finding of other specified substances, not normally found in blood

The ICD-10 code for finding of other specified substances, not normally found in blood is R78.89.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Finding of abnormal level of lithium in blood

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

  • R78.81Bacteremia
  • R78.89Finding of other specified substances, not normally found in blood

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

R78.89 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.