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R80.1 — Persistent proteinuria, unspecified
R80.1
What this code means
Persistent proteinuria is protein in the urine found on repeated testing; the pattern is not further specified.
Also called: persistent proteinuria, protein in urine.
When this code is used
Used for persistent proteinuria, unspecified.
Where it sits in ICD-10-CM
Code R80.1 belongs to Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, which covers codes R00–R99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Related anatomy
Frequently asked questions
What is ICD-10-CM code R80.1?
R80.1 is the ICD-10-CM diagnosis code for “Persistent proteinuria, unspecified”. Persistent proteinuria is protein in the urine found on repeated testing; the pattern is not further specified.
When is code R80.1 used?
Used for persistent proteinuria, unspecified. It belongs to Chapter 18 of ICD-10-CM (Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.