E79.0
Hyperuricemia without signs of inflammatory arthritis and tophaceous disease
E79.0 (also written E790) is a billable ICD-10-CM diagnosis code for hyperuricemia without signs of inflammatory arthritis and tophaceous disease. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 7 codes in category E79 (Disorders of purine and pyrimidine metabolism). The Alphabetic Index lists it under 5 entries. Its coding notes include 17 Excludes1 entries and 1 Excludes2 entry.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Also from chapter/block level (6 notes)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026IPF Primary
IPF MS-DRG adjustment. A principal diagnosis of this code groups to one of these MS-DRGs. Which one depends on other facts of the stay, so the factor is a range:
| MS-DRG | Description | Factor |
|---|---|---|
| 947 | Signs and Symptoms w MCC | 1.12 |
| 948 | Signs and Symptoms w/out MCC | 1.09 |
Inclusion terms
Conditions classified to this code.
- Asymptomatic hyperuricemia
Notes
Also from chapter/block level (1 note)
- All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 5 entries