ICD-10-CM R97 is the diagnosis code for Abnormal tumor markers. This code falls under the section "Abnormal tumor markers" 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.
Understanding where R97 sits in the ICD-10-CM classification helps ensure proper coding:
No, R97 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
R97 is the ICD-10-CM diagnosis code for "Abnormal tumor markers". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R97 is located in Section R97 — "Abnormal tumor markers" within Chapter 18 of the ICD-10-CM Tabular List.
R97 has 4 sub-code(s) that provide more specific detail: R97.0, R97.1, R97.2, R97.8.
Use R97 when the patients documented diagnosis matches "Abnormal tumor markers" 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 tumor markers is R97.
No, R97 is non-billable. Use a more specific sub-code for primary diagnosis billing.
R97 is in Chapter 18 of the ICD-10-CM Tabular List.
Yes, R97 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.