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R74

Non-billable

Abnormal serum enzyme levels

R74 is the ICD-10-CM code for Abnormal serum enzyme levels. It is a non-billable category code — use a more specific child code such as R74.0 for billing.

Status
Header (non-billable)
Chapter
R00-R99
Subcodes
3
Edition
FY2026

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

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No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code R74?
R74 is the ICD-10-CM code for "Abnormal serum enzyme levels". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R74 a billable code?
No — R74 is a non-billable header code. Use a more specific child code (such as R74.0) for billing.
What are the subcodes of R74?
R74 has 3 more specific child codes, including R74.0, R74.8, R74.9.

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

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