ICD-10-CM R35 is the diagnosis code for Polyuria. This code falls under the section "Symptoms and signs involving the genitourinary system" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as R35. They are mutually exclusive:
Understanding where R35 sits in the ICD-10-CM classification helps ensure proper coding:
No, R35 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
R35 is the ICD-10-CM diagnosis code for "Polyuria". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R35 is located in Section R30-R39 — "Symptoms and signs involving the genitourinary system" within Chapter 18 of the ICD-10-CM Tabular List.
R35 has 3 sub-code(s) that provide more specific detail: R35.0, R35.1, R35.8.
Use R35 when the patients documented diagnosis matches "Polyuria" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Polyuria is R35.
No, R35 is non-billable. Use a more specific sub-code for primary diagnosis billing.
R35 is in Chapter 18 of the ICD-10-CM Tabular List.
Type 1 Excludes for R35 include: psychogenic polyuria (F45.8).
Yes, R35 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.