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ICD-10 Coding for Idiopathic Thrombocytopenia(D69.3)

Complete ICD-10-CM coding and documentation guide for Idiopathic Thrombocytopenia. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Idiopathic Thrombocytopenic PurpuraITP

Related ICD-10 Code Ranges

Complete code families applicable to Idiopathic Thrombocytopenia

D69.0-D69.6Primary Range

Purpura and other hemorrhagic conditions

This range includes codes for various types of thrombocytopenia, with D69.3 specifically for idiopathic thrombocytopenia.

Key Information: ICD-10 code for idiopathic thrombocytopenia

Essential facts and insights about Idiopathic Thrombocytopenia

The ICD-10 code for idiopathic thrombocytopenia is D69.3, applicable for primary immune thrombocytopenic purpura.

Primary ICD-10-CM Code for idiopathic thrombocytopenia

Idiopathic thrombocytopenic purpura
Billable Code

Decision Criteria

clinical Criteria

  • Platelet count consistently <100 x10⁹/L with no secondary causes identified.

documentation Criteria

  • Document exclusion of secondary causes and confirm normal bone marrow findings.

Applicable To

  • Chronic immune thrombocytopenic purpura
  • Primary immune thrombocytopenia

Excludes

  • Thrombocytopenia due to drugs (D69.5)
  • Thrombocytopenia in diseases classified elsewhere (D69.5)

Clinical Validation Requirements

  • Platelet count <100 x10⁹/L
  • Exclusion of secondary causes
  • Bone marrow biopsy showing normal megakaryocytes

Code-Specific Risks

  • Misclassification if secondary causes are not ruled out
  • Incorrect sequencing if used as secondary to another condition

Coding Notes

  • Ensure documentation clearly states 'idiopathic' or 'immune-mediated' to avoid misclassification.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Acquired absence of spleen

Z90.81
Use when splenectomy is performed as part of ITP treatment.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Other primary thrombocytopenia

D69.4
Use when genetic or congenital causes are confirmed.

Secondary thrombocytopenia

D69.5
Use when thrombocytopenia is due to an external factor like drugs or another disease.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Idiopathic Thrombocytopenia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code D69.3.

Impact

Clinical: Misleading clinical data affecting treatment decisions., Regulatory: Potential audit issues due to incorrect coding., Financial: Incorrect reimbursement due to DRG misassignment.

Mitigation Strategy

Verify exclusion of drug-induced causes, Cross-check medication history

Impact

Reimbursement: Incorrect DRG assignment can lead to reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data affecting clinical decision-making.

Mitigation Strategy

Ensure thorough documentation of exclusion of secondary causes before assigning D69.3.

Impact

Failure to document exclusion of secondary causes can lead to audit flags.

Mitigation Strategy

Ensure comprehensive documentation of all exclusion criteria.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Idiopathic Thrombocytopenia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Idiopathic Thrombocytopenia

Use these documentation templates to ensure complete and accurate documentation for Idiopathic Thrombocytopenia. These templates include all required elements for proper coding and billing.

Emergency Department Presentation

Specialty: Hematology

Required Elements

  • Patient history
  • Platelet count
  • Bone marrow biopsy results
  • Exclusion of secondary causes

Example Documentation

45M with spontaneous gingival bleeding and petechiae. Platelets 32 x10⁹/L. Peripheral smear shows large platelets. Negative HIV/hepatitis serology. Bone marrow biopsy shows megakaryocytic hyperplasia.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Low platelets noted.
Good Documentation Example
Chronic immune thrombocytopenic purpura confirmed by exclusion of secondary causes.
Explanation
The good example provides specific diagnosis and confirms exclusion of secondary causes, supporting accurate coding.

Need help with ICD-10 coding for Idiopathic Thrombocytopenia? Ask your questions below.

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