ICD-10-CM Code R63.1


Version 2020 Billable Code No Valid Principal Dx

Valid for Submission

R63.1 is a billable code used to specify a medical diagnosis of polydipsia. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code R63.1 might also be used to specify conditions or terms like defective osmoregulation, excessive thirst, increased thirst, osmoregulation defect - excess thirst, thirst finding, thirst finding, etc

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.

Short Description:Polydipsia
Long Description:Polydipsia

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 guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code R63.1:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Excessive thirst

Index to Diseases and Injuries

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 the code R63.1 are found in the index:


The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Defective osmoregulation
  • Excessive thirst
  • Increased thirst
  • Osmoregulation defect - excess thirst
  • Thirst finding
  • Thirst finding
  • Thirst finding
  • Thirst symptom

Clinical Information

  • POLYDIPSIA-. excessive thirst manifested by excessive fluid intake. it is characteristic of many diseases such as diabetes mellitus; diabetes insipidus; and nephrogenic diabetes insipidus. the condition may be psychogenic in origin.
  • POLYDIPSIA PSYCHOGENIC-. a clinical disorder characterized by excessive fluid intake polydipsia; hyponatremia; and polyuria in schizophrenia and other psychiatric disorders. impaired water metabolism in psychogenic polydipsia can result in water intoxication.

Diagnostic Related Groups

The ICD-10 code R63.1 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.


Convert R63.1 to ICD-9

Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • General symptoms and signs (R50-R69)
      • Symptoms and signs concerning food and fluid intake (R63)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020