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R78.8

Non-billable

Finding of other specified substances, not normally found in blood

R78.8 is the ICD-10-CM code for Finding of other specified substances, not normally found in blood. It is a non-billable category code — use a more specific child code such as R78.81 for billing.

Status
Header (non-billable)
Chapter
R00-R99
Parent
R78
Subcodes
2
Edition
FY2026

R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code R78.8?
R78.8 is the ICD-10-CM code for "Finding of other specified substances, not normally found in blood". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R78.8 a billable code?
No — R78.8 is a non-billable header code. Use a more specific child code (such as R78.81) for billing.
What are the subcodes of R78.8?
R78.8 has 2 more specific child codes, including R78.81, R78.89.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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