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v1.0.0
ICD-10 Guide
DiagnosesIdiopathic Thrombocytopenic Purpura

Idiopathic Thrombocytopenic Purpura

ICD-10 Coding for Idiopathic Thrombocytopenic Purpura(D69.3)

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

Diagnosis Overview

What is Idiopathic Thrombocytopenic Purpura?
Essential facts and insights about Idiopathic Thrombocytopenic Purpura

Key Clinical Considerations:

  • Easy bruising or bleeding, petechiae, and purpura
  • Thrombocytopenia confirmed by complete blood count (CBC)
  • Physical exam may reveal splenomegaly or signs of bleeding

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including bleeding episodes and duration
  • Laboratory results indicating low platelet count
  • Clinical assessment of potential secondary causes ruled out

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding thrombocytopenia and related conditions.
  • Common errors include misclassifying secondary causes of thrombocytopenia.

Code Exclusions

Important Exclusions

  • Secondary thrombocytopenia due to other conditions
  • Other bleeding disorders such as hemophilia

Related ICD-10 Codes

Primary Codes
D69.3
Idiopathic thrombocytopenic purpura
Ancillary Codes
R23.3
R04.0
Z79.01
Differential Codes
D69.49
D59.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Hematology

Specialty Applications

  • Adults and children with unexplained low platelet counts
  • Hematology clinics and outpatient settings

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 patient history, physical exam findings, and lab results.

What are the billing considerations?

Ensure accurate coding and documentation to support medical necessity.