R80.0 – Isolated proteinuria

ICD-10-CM 2027 diagnosis code · Abnormal findings on examination of urine, without diagnosis

Billable code

ICD-10-CM code R80.0

Code: R80.0 (claims format: R800)
Description: Isolated proteinuria
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R80-R82 Abnormal findings on examination of urine, without diagnosis
Parent codes: R80

Notes for R80.0

Applicable to:

Idiopathic proteinuria

Excludes1 (not coded here):

isolated proteinuria with specific morphological lesion (N06.-)

Notes inherited from parent codes

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

R80 – Proteinuria

Excludes1 (not coded here):

gestational proteinuria (O12.1-)

Block R80-R82

Excludes1 (not coded here):

abnormal findings on antenatal screening of mother (O28.-)
diagnostic abnormal findings classified elsewhere - see Alphabetical Index
specific findings indicating disorder of amino-acid metabolism (E70-E72)
specific findings indicating disorder of carbohydrate metabolism (E73-E74)

Index terms for R80.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R80

R80.1 – Persistent proteinuria, unspecifiedBillable
R80.2 – Orthostatic proteinuria, unspecifiedBillable
R80.3 – Bence Jones proteinuriaBillable
R80.8 – Other proteinuriaBillable
R80.9 – Proteinuria, unspecifiedBillable

Frequently asked questions

What is ICD-10 code R80.0?

R80.0 is the ICD-10-CM code for isolated proteinuria, in the block R80-R82 (Abnormal findings on examination of urine, without diagnosis).

Is R80.0 a billable code?

Yes. R80.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R80.0 belong to?

It belongs to category R80 – Proteinuria.

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.