R35

Non-billable

Polyuria

R35 is the ICD-10-CM code for Polyuria. It is a non-billable category code — use a more specific child code such as R35.0 for billing.

Status
Header (non-billable)
Chapter
R00-R99
Subcodes
3
Edition
FY2026

R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

What this means — in plain language

MedlinePlus · NIH

Your kidneys make urine by filtering wastes and extra water from your blood. The waste is called urea. Your blood carries it to the kidneys. From the kidneys, urine travels down two thin tubes called ureters to the bladder. The bladder stores urine until you are ready to urinate. It swells into a round shape when it is full and gets smaller when empty. If your urinary system is healthy, your bladder can hold up to…

Read more about Urine and Urination at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • psychogenic polyuria (F45.8)

Code first

  • , if applicable, any causal condition, such as:
  • enlarged prostate (N40.1)

Frequently asked questions

What is ICD-10 code R35?
R35 is the ICD-10-CM code for "Polyuria". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R35 a billable code?
No — R35 is a non-billable header code. Use a more specific child code (such as R35.0) for billing.
What are the subcodes of R35?
R35 has 3 more specific child codes, including R35.0, R35.1, R35.8.
What is excluded from R35?
Excludes1 (not coded here): psychogenic polyuria (F45.8).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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