Non-Billable / Non-Specific Code
ICD-10-CM E79 is the diagnosis code for Disorders of purine and pyrimidine metabolism. This code falls under the section "Metabolic disorders" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). 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 E79. They are mutually exclusive:
Understanding where E79 sits in the ICD-10-CM classification helps ensure proper coding:
No, E79 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E79 is the ICD-10-CM diagnosis code for "Disorders of purine and pyrimidine metabolism". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E79 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.
E79 has 5 sub-code(s) that provide more specific detail: E79.0, E79.1, E79.2, E79.8, E79.9.
Use E79 when the patients documented diagnosis matches "Disorders of purine and pyrimidine metabolism" 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 Disorders of purine and pyrimidine metabolism is E79.
No, E79 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E79 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E79 include: Ataxia-telangiectasia (Q87.19); Bloom's syndrome (Q82.8); Cockayne's syndrome (Q87.19) and more.
Yes, E79 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.