Finding of oth substances, not normally found in blood

This code signifies the presence of an abnormal substance in a blood sample that is not typically found there and is not otherwise specified. This could include exogenous compounds, metabolic byproducts, or other non-physiological elements detected during laboratory analysis. It indicates an abnormal lab finding requiring further investigation rather than a definitive diagnosis.

Use this code when laboratory results identify an unusual substance in the blood, such as certain drugs, toxins, or metabolites, for which a more specific ICD-10-CM code does not exist. Documentation should clearly state the detected substance and that it is an abnormal finding in the blood. This code is often used when the clinical significance or source of the substance is still under evaluation.

• This is a "finding" code, not a definitive diagnosis; always look for a more specific diagnosis if available.
• Do not use for substances normally found in blood but present in abnormal quantities (e.g., elevated glucose, abnormal electrolytes), as those have specific codes.
• Sequence as a secondary diagnosis when a definitive condition related to the abnormal substance is identified, or as a primary diagnosis if the abnormal finding is the sole reason for the encounter and no definitive diagnosis has been established.