E79
Non-Billable

Disorders of purine and pyrimidine metabolism

Non-Billable / Non-Specific Code

What is Disorders of purine and pyrimidine metabolism?

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.

⛔ Excludes1

Coding Guidelines for E79

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as E79. They are mutually exclusive:

  • Ataxia-telangiectasia (Q87.19)
  • Bloom's syndrome (Q82.8)
  • Cockayne's syndrome (Q87.19)
  • calculus of kidney (N20.0)
  • combined immunodeficiency disorders (D81.-)
  • Fanconi's anemia (D61.09)
  • gout (M1A.-, M10.-)
  • orotaciduric anemia (D53.0)
  • progeria (E34.8)
  • Werner's syndrome (E34.8)
  • xeroderma pigmentosum (Q82.1)

ICD-10-CM Code Hierarchy

Understanding where E79 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeE79 — Disorders of purine and pyrimidine metabolism
Sub-Codes 5 entries
E79.0Hyperuricemia without signs of inflammatory arthritis and tophaceous diseaseBillableE79.1Lesch-Nyhan syndromeBillableE79.2Myoadenylate deaminase deficiencyBillableE79.8Other disorders of purine and pyrimidine metabolismNon-BillableE79.81Aicardi-Goutières syndromeBillableE79.82Hereditary xanthinuriaBillableE79.89Other specified disorders of purine and pyrimidine metabolismBillableE79.9Disorder of purine and pyrimidine metabolism, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is E79 a billable ICD-10-CM code?

No, E79 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does E79 mean?

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.

What section is E79 in?

E79 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.

What are the sub-codes of E79?

E79 has 5 sub-code(s) that provide more specific detail: E79.0, E79.1, E79.2, E79.8, E79.9.

When should I use E79?

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.

People Also Ask

What is the ICD-10 code for Disorders of purine and pyrimidine metabolism?

The ICD-10-CM code for Disorders of purine and pyrimidine metabolism is E79.

Can E79 be used for primary diagnosis?

No, E79 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is E79 in?

E79 is in Chapter 4 of the ICD-10-CM Tabular List.

What conditions are excluded from E79?

Type 1 Excludes for E79 include: Ataxia-telangiectasia (Q87.19); Bloom's syndrome (Q82.8); Cockayne's syndrome (Q87.19) and more.

Is E79 valid for 2026?

Yes, E79 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE78.9Disorder of lipoprotein metabolism, unspecifiedNext →E79.0Hyperuricemia without signs of inflammatory arthritis and tophaceous disease
Code Details
E79
Disorders of purine and pyrimidine metabolism
Non-Billable / Non-Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E70-E88 — Metabolic disorders
2026 ICD-10-CM