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v1.0.0
ICD-10 Guide
ICD-10 CodesR63.1

R63.1

Polydipsia

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R63.1 is a billable code used to indicate a diagnosis of polydipsia.

Key Diagnostic Point:

Polydipsia is characterized by excessive thirst and is often a symptom of underlying medical conditions. It can be classified as primary or secondary, with primary polydipsia typically resulting from psychological factors, while secondary polydipsia is often due to physiological causes such as diabetes mellitus, diabetes insipidus, or renal impairment. Patients may present with complaints of persistent thirst, frequent drinking, and increased fluid intake, which can lead to dehydration if not addressed. Laboratory findings may reveal elevated serum osmolality or hypernatremia in cases of diabetes insipidus, while diabetes mellitus may show elevated blood glucose levels. Accurate diagnosis requires a thorough clinical evaluation, including a detailed patient history, physical examination, and relevant laboratory tests to identify the underlying cause of polydipsia.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes requiring differential diagnosis
  • Potential overlap with other conditions (e.g., diabetes mellitus, diabetes insipidus)
  • Need for comprehensive documentation to support the diagnosis
  • Variability in clinical presentation among patients

Audit Risk Factors

  • Inadequate documentation of the underlying cause of polydipsia
  • Failure to differentiate between primary and secondary polydipsia
  • Misuse of the code in the absence of thorough clinical evaluation
  • Inconsistent coding practices across different healthcare settings

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed patient history, including fluid intake, associated symptoms, and relevant medical history.

Common Clinical Scenarios

Patients presenting with excessive thirst and frequent urination, often requiring evaluation for diabetes mellitus or renal issues.

Billing Considerations

Consideration of comorbidities and medications that may contribute to polydipsia.

Emergency Medicine

Documentation Requirements

Acute assessment of hydration status, vital signs, and immediate lab results.

Common Clinical Scenarios

Patients presenting with severe dehydration or altered mental status due to polydipsia.

Billing Considerations

Rapid evaluation of potential life-threatening conditions such as hyperglycemic crises.

Coding Guidelines

Inclusion Criteria

Use R63.1 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation and that the underlying cause is identified when applicable

Exclusion Criteria

Do NOT use R63.1 When
No specific exclusions found.

Related CPT Codes

83036CPT Code

Hemoglobin A1c

Clinical Scenario

Used to monitor glucose control in patients with diabetes presenting with polydipsia.

Documentation Requirements

Document the reason for testing and the patient's diabetes management plan.

Specialty Considerations

Endocrinology may require more frequent monitoring in patients with fluctuating symptoms.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of symptoms like polydipsia, improving the ability to capture the complexity of patient presentations and their underlying causes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of symptoms like polydipsia, improving the ability to capture the complexity of patient presentations and their underlying causes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of symptoms like polydipsia, improving the ability to capture the complexity of patient presentations and their underlying causes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the primary cause of polydipsia?

Polydipsia can be caused by various factors, including diabetes mellitus, diabetes insipidus, and psychological conditions. Identifying the underlying cause is crucial for appropriate management.