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ICD-10 Coding for Thrombocytopenia(D69.3, D69.5, D69.6)

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

Also known as:

Low Platelet CountPlatelet Deficiency

Related ICD-10 Code Ranges

Complete code families applicable to Thrombocytopenia

D69.0-D69.6Primary Range

Purpura and other hemorrhagic conditions

This range includes codes for various types of thrombocytopenia, including immune and unspecified forms.

Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth, and the puerperium

This range includes gestational thrombocytopenia, which is relevant during pregnancy.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
D69.3Immune thrombocytopenic purpura (ITP)Use when ITP is confirmed by exclusion of secondary causes.
  • Platelet count <100 ×10³/µL
  • Positive antiplatelet antibody test
D69.5Secondary thrombocytopeniaUse when thrombocytopenia is secondary to another condition or drug.
  • Temporal relationship with causative agent
  • Documentation of underlying condition
D69.6Unspecified thrombocytopeniaUse only when the specific cause of thrombocytopenia cannot be determined.
  • Etiology unknown after workup

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for immune thrombocytopenic purpura

Essential facts and insights about Thrombocytopenia

The ICD-10 code for immune thrombocytopenic purpura is D69.3, used when ITP is confirmed by exclusion of secondary causes.

Primary ICD-10-CM Codes for thrombocytopenia

Immune thrombocytopenic purpura (ITP)
Billable Code

Decision Criteria

clinical Criteria

  • Confirmed ITP with platelet count <100 ×10³/µL

Applicable To

  • Idiopathic thrombocytopenic purpura

Excludes

  • Thrombocytopenia due to drugs (D69.5)

Clinical Validation Requirements

  • Platelet count <100 ×10³/µL
  • Positive antiplatelet antibody test

Code-Specific Risks

  • Misclassification if secondary causes are not ruled out.

Coding Notes

  • Ensure documentation specifies ITP and excludes secondary causes.

Differential Codes

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

Unspecified thrombocytopenia

D69.6
Use D69.6 when the specific cause of thrombocytopenia is not identified.

Immune thrombocytopenic purpura

D69.3
Use D69.3 for primary immune causes without secondary factors.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting 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: Inaccurate treatment plans., Regulatory: Potential audit issues., Financial: Denial of claims.

Mitigation Strategy

Always document the causative agent., Use templates to ensure completeness.

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Decreased accuracy in patient records.

Mitigation Strategy

Query provider to confirm if it is immune or unspecified thrombocytopenia.

Impact

High risk of audit if D69.6 is overused without proper documentation.

Mitigation Strategy

Ensure thorough documentation of workup and exclusion of specific causes.

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 Thrombocytopenia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Thrombocytopenia

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

Hematology Evaluation

Specialty: Hematology

Required Elements

  • History of bleeding disorders
  • Medication history
  • Physical examination findings
  • Laboratory results

Example Documentation

Patient presents with petechiae and a platelet count of 45 ×10³/µL. No recent NSAID use. Peripheral smear shows large platelets.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Low platelets, monitor.
Good Documentation Example
Platelet count 28 ×10³/µL, petechiae on lower extremities, no recent chemotherapy or heparin exposure. Diagnosed as ITP after ruling out leukemia via bone marrow biopsy.
Explanation
The good example provides specific lab values, clinical findings, and a clear diagnosis.

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

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