Non-Billable / Non-Specific Code
ICD-10-CM R79 is the diagnosis code for Other abnormal findings of blood chemistry. 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.
The following conditions should never be coded at the same time as R79. They are mutually exclusive:
Understanding where R79 sits in the ICD-10-CM classification helps ensure proper coding:
No, R79 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
R79 is the ICD-10-CM diagnosis code for "Other abnormal findings of blood chemistry". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R79 is located in Section R70-R79 — "Abnormal findings on examination of blood, without diagnosis" within Chapter 18 of the ICD-10-CM Tabular List.
R79 has 4 sub-code(s) that provide more specific detail: R79.0, R79.1, R79.8, R79.9.
Use R79 when the patients documented diagnosis matches "Other abnormal findings of blood chemistry" 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 Other abnormal findings of blood chemistry is R79.
No, R79 is non-billable. Use a more specific sub-code for primary diagnosis billing.
R79 is in Chapter 18 of the ICD-10-CM Tabular List.
Type 1 Excludes for R79 include: asymptomatic hyperuricemia (E79.0); hyperglycemia NOS (R73.9); hypoglycemia NOS (E16.2) and more.
Yes, R79 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.