Non-Billable / Non-Specific Code
ICD-10-CM R74 is the diagnosis code for Abnormal serum enzyme levels. This code falls under the section "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where R74 sits in the ICD-10-CM classification helps ensure proper coding:
No, R74 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
R74 is the ICD-10-CM diagnosis code for "Abnormal serum enzyme levels". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R74 is located in Section R70-R79 — "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 of the ICD-10-CM Tabular List.
R74 has 3 sub-code(s) that provide more specific detail: R74.0, R74.8, R74.9.
Use R74 when the patients documented diagnosis matches "Abnormal serum enzyme levels" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Abnormal serum enzyme levels is R74.
No, R74 is non-billable. Use a more specific sub-code for primary diagnosis billing.
R74 is in Chapter 18 of the ICD-10-CM Tabular List.
Yes, R74 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.