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Home/Diagnosis/ICD-10 Coding for Thrombocytosis

ICD-10 Coding for Thrombocytosis

D47.3
D75.81
D75.839

Complete ICD-10-CM coding and documentation guide for icd-10 coding for thrombocytosis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
High platelet count
Thrombocythemia
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Key Information: ICD-10 Coding for Thrombocytosis

Essential facts and insights about ICD-10 Coding for Thrombocytosis

Use ICD-10 code D47.3 for essential (primary) thrombocythemia, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Essential (primary) thrombocythemia

Billable Code
D47.3
Billable

Diagnostic Criteria

  • • Platelet count >450,000/μL on 2+ occasions
  • • Bone marrow biopsy showing megakaryocytic hyperplasia
  • • Positive JAK2/CALR/MPL mutation

Applicable To

  • • Essential thrombocythemia
  • • Primary thrombocytosis

Important Notes

  • • Ensure all reactive causes are ruled out before using this code

Secondary thrombocytosis

Billable Code
D75.81
Billable

Diagnostic Criteria

  • • Link to underlying condition such as infection or iron deficiency

Applicable To

  • • Reactive thrombocytosis

Important Notes

  • • Always document the underlying condition causing the thrombocytosis

Unspecified thrombocytosis

Billable Code
D75.839
Billable

Diagnostic Criteria

  • • Platelet count >450,000/μL without documented cause

Applicable To

  • • Thrombocytosis NOS

Important Notes

  • • Query the provider if the cause is suspected but not documented
Frequently Asked Questions

What is the ICD-10 code for essential thrombocythemia?

The ICD-10 code for essential thrombocythemia is D47.3, used when the condition is confirmed with specific clinical and laboratory findings.

How do you code secondary thrombocytosis?

Secondary thrombocytosis is coded as D75.81, with the underlying condition documented and coded first.

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