R35.81 - Nocturnal polyuria

Version 2023
Billable Code
No Valid Principal Dx
MS-DRG Mapping
ICD-10:R35.81
Short Description:Nocturnal polyuria
Long Description:Nocturnal polyuria
Status: Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Symptoms and signs involving the genitourinary system (R30-R39)
      • Polyuria (R35)

R35.81 is a billable ICD-10 code used to specify a medical diagnosis of nocturnal polyuria. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Clinical Information

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to this diagnosis code:


Type 2 Excludes

Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Replacement Code

R3581 replaces the following previously assigned ICD-10 code(s):

Code History

Previous Code: R35.8

Parent Code: R35.8

Next Code: R35.89