E79.8 – Other disorders of purine and pyrimidine metabolism

ICD-10-CM 2027 diagnosis code · Metabolic disorders

Non-billable header

ICD-10-CM code E79.8

Code: E79.8 (claims format: E798)
Description: Other disorders of purine and pyrimidine metabolism
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block: E70-E88 Metabolic disorders
Parent codes: E79

Billable codes under E79.8

E79.8 is a header code and cannot be used on claims. Choose the most specific code:

E79.81 – Aicardi-Goutieres syndromeBillable
E79.82 – Hereditary xanthinuriaBillable
E79.89 – Other specified disorders of purine and pyrimidine metabolismBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E79 – Disorders of purine and pyrimidine metabolism

Excludes1 (not coded here):

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)

Block E70-E88

Excludes1 (not coded here):

androgen insensitivity syndrome (E34.5-)
congenital adrenal hyperplasia (E25.0)
hemolytic anemias attributable to enzyme disorders (D55.-)
Marfan syndrome (Q87.4-)
5-alpha-reductase deficiency (E29.1)

Excludes2 (not included here):

Ehlers-Danlos syndromes (Q79.6-)

Related codes in E79

Frequently asked questions

What is ICD-10 code E79.8?

E79.8 is the ICD-10-CM code for other disorders of purine and pyrimidine metabolism, in the block E70-E88 (Metabolic disorders).

Is E79.8 a billable code?

No. E79.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does E79.8 belong to?

It belongs to category E79 – Disorders of purine and pyrimidine metabolism.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.