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v1.0.0
ICD-10 Guide
DiagnosesPolydipsia

Polydipsia

ICD-10 Coding for Polydipsia(R63.1)

PRIMARY SPECIALTYEndocrinology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Polydipsia?
Essential facts and insights about Polydipsia

Key Clinical Considerations:

  • Excessive thirst and fluid intake
  • Blood glucose levels (to rule out diabetes mellitus)
  • Signs of dehydration or electrolyte imbalance

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of fluid intake and output
  • Assessment of potential underlying conditions (e.g., diabetes insipidus, diabetes mellitus)
  • Clear indication of polydipsia in the diagnosis

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for distinguishing between primary polydipsia and secondary causes.
  • Common errors include misclassifying polydipsia as a symptom rather than a diagnosis.

Code Exclusions

Important Exclusions

  • Diabetes mellitus (E10-E14) and diabetes insipidus (E23.2)
  • Alternative codes for dehydration or thirst due to other causes.

Related ICD-10 Codes

Primary Codes
R63.2
Polydipsia
Ancillary Codes
E87.1
Differential Codes
E23.2
E11.65

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Endocrinology

Specialty Applications

  • Diabetes patients, patients with renal issues, and those with psychiatric disorders.
  • Endocrinology clinics, primary care settings, and emergency departments.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document the patient's symptoms, fluid intake, and any relevant lab results.

What are the billing considerations?

Ensure accurate coding to reflect the underlying cause of polydipsia for proper reimbursement.