R80.0 — Isolated proteinuria
Is R80.0 billable?
Yes — R80.0 is billable for FY2027. R80.0 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R80.0 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R80.0 at a glance
| Code | R80.0 |
|---|---|
| Description | Isolated proteinuria |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R80.0 group to?
R80.0 sits in MDC 11 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 695Kidney and Urinary Tract Signs and Symptoms with MCCmedical
- 696Kidney and Urinary Tract Signs and Symptoms without MCCmedical
How is R80.0 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R80.0. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Proteinuria › idiopathic
- Proteinuria › isolated
Excludes1 — never code together
The conditions below can never be reported together with R80.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- isolated proteinuria with specific morphological lesion (N06.-)
Inclusion terms
Alternative wording in documentation that is classified to R80.0.
- Idiopathic proteinuria
Excludes1 — never code together — inherited from R80-R82
The conditions below can never be reported together with R80.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from R80
The conditions below can never be reported together with R80.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- gestational proteinuria (O12.1-)
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R80.0, but a patient may have both at the same time. When documentation supports it, R80.0 and the excluded code may both be reported.
How long has R80.0 existed?
R80.0 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with R80.0?
ICD-10-CM declares these codes mutually exclusive with R80.0 — exactly one of each pair can be correct for a given encounter.